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Lincoln Aviator 2020-2024 Service Manual / Electrical / Electronic Feature Group / Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key / Diagnosis and Testing - Passive Anti-Theft System (PATS)

Lincoln Aviator: Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key / Diagnosis and Testing - Passive Anti-Theft System (PATS)

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


  Diagnostic Trouble Code Chart


Module   DTC Description Action
  BCM B1551:51 Phone As A Key: Not Programmed   GO to Pinpoint Test G
  BCM B155E:00 Incorrect Response from Immobilizer SubControl Module: No Sub Type Information   GO to Pinpoint Test M
  RFA B1589:29 Antenna #3: Signal Invalid   GO to Pinpoint Test A
  RFA B1589:31 Antenna #3: No Signal   GO to Pinpoint Test A
  RFA B1589:45 Antenna #3: Program Memory Failure   GO to Pinpoint Test A
  RFA B1589:49 Antenna #3: Internal Electronic Failure   GO to Pinpoint Test A
  RFA B1589:57 Antenna #3: Invalid/ Incompatible Software Component   GO to Pinpoint Test A
  RFA B1590:29 Antenna #4: Signal Invalid   GO to Pinpoint Test A
  RFA B1590:31 Antenna #4: No Signal   GO to Pinpoint Test A
  RFA B1590:45 Antenna #4: Program Memory Failure   GO to Pinpoint Test A
  RFA B1590:49 Antenna #4: Internal Electronic Failure   GO to Pinpoint Test A
  RFA B1590:57 Antenna #4: Invalid/ Incompatible Software Component   GO to Pinpoint Test A
  RFA B1591:29 Antenna #5: Signal Invalid   GO to Pinpoint Test B
  RFA B1591:31 Antenna #5: No Signal   GO to Pinpoint Test B
  RFA B1591:45 Antenna #5: Program Memory Failure   GO to Pinpoint Test B
  RFA B1591:49 Antenna #5: Internal Electronic Failure   GO to Pinpoint Test B
  RFA B1591:57 Antenna #5: Invalid/ Incompatible Software Component   GO to Pinpoint Test B
  RFA B1592:29 Antenna #6: Signal Invalid   GO to Pinpoint Test B
  RFA B1592:31 Antenna #6: No Signal   GO to Pinpoint Test B
  RFA B1592:45 Antenna #6: Program Memory Failure   GO to Pinpoint Test B
  RFA B1592:49 Antenna #6: Internal Electronic Failure   GO to Pinpoint Test B
  RFA B1592:57 Antenna #6: Invalid/ Incompatible Software Component   GO to Pinpoint Test B
  RFA B1593:29 Antenna #7: Signal Invalid   GO to Pinpoint Test C
  RFA B1593:31 Antenna #7: No Signal   GO to Pinpoint Test C
  RFA B1593:45 Antenna #7: Program Memory Failure   GO to Pinpoint Test C
  RFA B1593:49 Antenna #7: Internal Electronic Failure   GO to Pinpoint Test C
  RFA B1593:57 Antenna #7: Invalid/ Incompatible Software Component   GO to Pinpoint Test C
  RFA B1594:29 Antenna #8: Signal Invalid   GO to Pinpoint Test B
  RFA B1594:31 Antenna #8: No Signal   GO to Pinpoint Test B
  RFA B1594:45 Antenna #8: Program Memory Failure   GO to Pinpoint Test B
  RFA B1594:49 Antenna #8: Internal Electronic Failure   GO to Pinpoint Test B
  RFA B1594:57 Antenna #8: Invalid/ Incompatible Software Component   GO to Pinpoint Test B
  RFA B1595:29 Antenna #9: Signal Invalid   GO to Pinpoint Test C
  RFA B1595:31 Antenna #9: No Signal   GO to Pinpoint Test C
  RFA B1595:45 Antenna #9: Program Memory Failure   GO to Pinpoint Test C
  RFA B1595:49 Antenna #9: Internal Electronic Failure   GO to Pinpoint Test C
  RFA B1595:57 Antenna #9: Invalid/ Incompatible Software Component   GO to Pinpoint Test C
  RFA B1596:29 Antenna #10: Signal Invalid   GO to Pinpoint Test C
  RFA B1596:31 Antenna #10: No Signal   GO to Pinpoint Test C
  RFA B1596:45 Antenna #10: Program Memory Failure   GO to Pinpoint Test C
  RFA B1596:49 Antenna #10: Internal Electronic Failure   GO to Pinpoint Test C
  RFA B1596:57 Antenna #10: Invalid/ Incompatible Software Component   GO to Pinpoint Test C
  RFA B1597:29 Antenna #11: Signal Invalid   GO to Pinpoint Test D
  RFA B1597:31 Antenna #11: No Signal   GO to Pinpoint Test D
  RFA B1597:45 Antenna #11: Program Memory Failure   GO to Pinpoint Test D
  RFA B1597:49 Antenna #11: Internal Electronic Failure   GO to Pinpoint Test D
  RFA B1597:57 Antenna #11: Invalid/ Incompatible Software Component   GO to Pinpoint Test D
  RFA B15A5:56 Bluetooth Low Energy Module: Invalid/ Incompatible Configuration   GO to Pinpoint Test E
  RFA B1A56:29 Antenna: Signal Invalid   GO to Pinpoint Test A
  RFA B1A56:31 Antenna: No Signal   GO to Pinpoint Test A
  RFA B1A56:45 Antenna: Program Memory Failure   GO to Pinpoint Test A
  RFA B1A56:49 Antenna: Internal Electronic Failure   GO to Pinpoint Test A
  RFA B1A56:57 Antenna: Invalid/ Incompatible Software Component   GO to Pinpoint Test A
  RFA B1D55:29 Antenna #2: Signal Invalid   GO to Pinpoint Test D
  RFA B1D55:31 Antenna #2: No Signal   GO to Pinpoint Test D
  RFA B1D55:45 Antenna #2: Program Memory Failure   GO to Pinpoint Test D
  RFA B1D55:49 Antenna #2: Internal Electronic Failure   GO to Pinpoint Test D
  RFA B1D55:57 Antenna #2: Invalid/ Incompatible Software Component   GO to Pinpoint Test D
  RFA P0601:41 Internal Control Module Memory Checksum Error: General Checksum Failure   GO to Pinpoint Test K
  RFA P1269:00 Immobilizer Code Not Programmed: No Sub Type Information   GO to Pinpoint Test G
  RFA P1602:00 Immobilizer/ ECM Communication Error: No Sub Type Information   GO to Pinpoint Test G
  RFA P1622:00 Immobilizer ID Does Not Match: No Sub Type Information   GO to Pinpoint Test G
  RFA P1623:00 Immobilizer Code Word/ID Number Write Failure: No Sub Type Information   GO to Pinpoint Test G
  RFA U0146:08 Lost Communication With Gateway "A": Bus Signal/Message Failure   GO to Pinpoint Test L
  RFA U0198:00 Lost Communication With Telematic Control Module: No Sub Type Information   GO to Pinpoint Test L
  RFA U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information   GO to Pinpoint Test G
  RFA U200D:11 Control Module Output Power A: Circuit Short to Ground   GO to Pinpoint Test A
  RFA U200D:15 Control Module Output Power A: Circuit Short to Battery or Open   GO to Pinpoint Test A
  RFA U200E:11 Control Module Output Power B: Circuit Short to Ground   GO to Pinpoint Test B
  RFA U200E:15 Control Module Output Power B: Circuit Short to Battery or Open   GO to Pinpoint Test B
  RFA U200F:11 Control Module Output Power C: Circuit Short to Ground   GO to Pinpoint Test C
  RFA U200F:15 Control Module Output Power C: Circuit Short to Battery or Open   GO to Pinpoint Test C
  RFA U201A:06 Control Module Main Calibration Data: Algorithm Based Failure   GO to Pinpoint Test F
  RFA U201A:46 Control Module Main Calibration Data: Calibration/ Parameter Memory failure   GO to Pinpoint Test F
  RFA U201A:55 Control Module Main Calibration Data: Not Configured   GO to Pinpoint Test F
  RFA U2100:55 Initial Configuration Not Complete: Not Configured   GO to Pinpoint Test F
  RFA U3000:42 Control Module: General Memory Failure   GO to Pinpoint Test K
  RFA U3000:44 Control Module: Data Memory Failure   GO to Pinpoint Test K
  RFA U3000:49 Control Module: Internal Electronic Failure   GO to Pinpoint Test K
  RFA U3003:16 Battery Voltage: Circuit Voltage Below Threshold   GO to Pinpoint Test I
  RFA U3003:17 Battery Voltage: Circuit Voltage Above Threshold   GO to Pinpoint Test J

Symptom Chart

Symptom Chart: PATS

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition Possible Sources Actions
No Key Detected displays in the message center
  • Refer to the Pinpoint Test

  • REFER to: Passive Anti-Theft System (PATS) (419-01B Passive Anti-Theft System (PATS), Diagnosis and Testing).
No Key Detected does not display in the message center after exiting the vehicle with the key and closing the door
  • Feature disabled
  • ENABLE the feature using a diagnostic scan tool.
Remote Features Functions Are Inoperative Or Do Not Operate Correctly From The Mobile Phone Application
  • Refer to the Pinpoint Test
  • GO to Pinpoint Test H

Pinpoint Tests


PINPOINT TEST A : BLUETOOTH ANTENNA #3, #4, FRONT EXTERIOR CIRCUIT FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U200D:11 Control Module Output Power A: Circuit Short To Ground Sets when the RFA module detects a a short to ground with bluetooth antennas #3, #4, and bluetooth antenna front exterior
RFA U200D:15 Control Module Output Power A: Circuit Short To Battery Or Open Sets when the RFA module detects a a short to battery or open with bluetooth antennas #3, #4, and bluetooth antenna front exterior
RFA B1589:29 Antenna #3: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth bluetooth antenna #3
RFA B1589:31 Antenna #3: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #3
RFA B1589:45 Antenna #3: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #3
RFA B1589:49 Antenna #3: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #3
RFA B1589:57 Antenna #3: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #3
RFA B1590:29 Antenna #4: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #4
RFA B1590:31 Antenna #4: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #4
RFA B1590:45 Antenna #4: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #4
RFA B1590:49 Antenna #4: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #4
RFA B1590:57 Antenna #4: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #4
RFA B1A56:29 Antenna: Signal Invalid Sets when the RFA module detects an invalid signal from the bluetooth antenna front exterior
RFA B1A56:31 Antenna: No Signal Sets when the RFA module receives no signal from the bluetooth antenna front exterior
RFA B1A56:45 Antenna: Program Memory Failure Sets when the RFA module detects a communication fault with the bluetooth antenna front exterior
RFA B1A56:49 Antenna: Internal Electronic Failure Sets when the RFA module detects a communication fault with the bluetooth antenna front exterior
RFA B1A56:57 Antenna: Invalid/Incompatible Software Component Sets when the RFA module detects a communication fault with the bluetooth antenna front exterior

Possible Sources

  • Wiring, terminals or connectors
  • Bluetooth Antenna Front Exterior
  • Bluetooth Antenna #3
  • Bluetooth Antenna #4
  • RFA module

Visual Inspection and Pre-checks

  • If the selection is available on the scan tool (Body>Security>Phone as a Key Functions), make sure the passive entry/passive start feature is enabled. If disabled, the vehicle only starts with the key in the backup starting location.
A1 VERIFY DTC (DIAGNOSTIC TROUBLE CODE)
  • Turn off mobile device bluetooth.
  • Clear DTC's
  • Rerun RFA module self-test

Are the DTC's still present?
Yes GO to A2
No The system is operating correctly at this time. The concern may have been caused by invalid signal from the bluethooth.

A2 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect RFA module C3860 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-3   Ground

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-3   Ground

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-3   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to A3

A3 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-3   Ground

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-3   Ground

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-3   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to A4
No REPAIR the circuit.

A4 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-3   C3860-21

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-3   C3860-21

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-3   C3860-21

    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-1   Ground

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-1   Ground

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-1   Ground

Are the resistances less than 3 ohms?
Yes GO to A5
No REPAIR the circuit .

A5 CHECK THE BLUE TOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-2   Ground

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-2   Ground

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to A6

A6 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-2   Ground

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-2   Ground

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to A7
No REPAIR the circuit.

A7 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Disconnect the RFA module C3860
  • Measure:
    Click to display connectors

      Bluetooth Antenna Front Exterior


    Positive Lead Measurement / Action Negative Lead
      C1345-2   C3860-15

    Click to display connectors

      Bluetooth Antenna #3


    Positive Lead Measurement / Action Negative Lead
      C4866-2   C3860-14

    Click to display connectors

      Bluetooth Antenna #4


    Positive Lead Measurement / Action Negative Lead
      C4870-2   C3860-4

Is the resistance less than 3 ohms?
Yes INSTALL a new bluetooth antenna.
REFER to: Bluetooth Front Exterior Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
REFER to: Bluetooth Rear Exterior Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to A8
No REPAIR the circuit.

A8 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Disconnect and inspect the RFA module connector. C3860 .
  • Repair:
    • corrosion (install new connectors or terminals, clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the RFA module connector and make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. Address the root cause of any connector or pin issues.

PINPOINT TEST B : BLUETOOTH ANTENNA #5, #6, #8 CIRCUIT FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U200E:11 Control Module Output Power B: Circuit Short To Ground Sets when the RFA module detects a a short to ground with bluetooth antennas #5, #6, and #8
RFA U200E:15 Control Module Output Power B: Circuit Short To Battery Or Open Sets when the RFA module detects a a short to battery or open with bluetooth antennas #5, #6, and #8
RFA B1591:29 Antenna #5: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #5
RFA B1591:31 Antenna #5: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #5
RFA B1591:45 Antenna #5: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #5
RFA B1591:49 Antenna #5: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #5
RFA B1591:57 Antenna #5: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #5
RFA B1592:29 Antenna #6: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #6
RFA B1592:31 Antenna #6: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #6
RFA B1592:45 Antenna #6: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #6
RFA B1592:49 Antenna #6: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #6
RFA B1592:57 Antenna #6: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #6
RFA B1594:29 Antenna #8: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #8
RFA B1594:31 Antenna #8: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #8
RFA B1594:45 Antenna #8: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #8
RFA B1594:49 Antenna #8: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #8
RFA B1594:57 Antenna #8: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #8

Possible Sources

  • Wiring, terminals or connectors
  • Bluetooth Antenna #5
  • Bluetooth Antenna #8
  • Bluetooth Antenna #6
  • RFA module

Visual Inspection and Pre-checks

  • If the selection is available on the scan tool (Body>Security>Phone as a Key Functions), make sure the passive entry/passive start feature is enabled. If disabled, the vehicle only starts with the key in the backup starting location.
B1 VERIFY DTC (DIAGNOSTIC TROUBLE CODE)
  • Turn off mobile device bluetooth.
  • Clear DTC's
  • Rerun RFA module self-test

Are the DTC's still present?
Yes GO to B2
No The system is operating correctly at this time. The concern may have been caused by invalid signal from the bluethooth.

B2 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect RFA module C3860 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-3   Ground

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-3   Ground

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-3   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to B3

B3 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-3   Ground

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-3   Ground

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-3   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to B4
No REPAIR the circuit.

B4 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-3   C3860-7

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-3   C3860-7

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-3   C3860-7

    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-1   Ground

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-1   Ground

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-1   Ground

Are the resistances less than 3 ohms?
Yes GO to B5
No REPAIR the circuit.

B5 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-2   Ground

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-2   Ground

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to B6

B6 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-2   Ground

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-2   Ground

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to B7
No REPAIR the circuit.

B7 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Disconnect the RFA module C3860
  • Measure:
    Click to display connectors

      Bluetooth Antenna #5


    Positive Lead Measurement / Action Negative Lead
      C3862-2   C3860-1

    Click to display connectors

      Bluetooth Antenna #6


    Positive Lead Measurement / Action Negative Lead
      C3873-2   C3860-11

    Click to display connectors

      Bluetooth Antenna #8


    Positive Lead Measurement / Action Negative Lead
      C3868-2   C3860-2

Is the resistance less than 3 ohms?
Yes INSTALL a new bluetooth antenna.
REFER to: Bluetooth B-Pillar Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
REFER to: Bluetooth Floor Console Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to B8
No REPAIR the circuit.

B8 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Disconnect and inspect the RFA module connector. C3860 .
  • Repair:
    • corrosion (install new connectors or terminals, clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the RFA module connector and make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. Address the root cause of any connector or pin issues.

PINPOINT TEST C : BLUETOOTH ANTENNA #7, #9, #10 CIRCUIT FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U200F:11 Control Module Output Power C: Circuit Short To Ground Sets when the RFA module detects a a short to ground with bluetooth antennas #7, #9, #10
RFA U200F:15 Control Module Output Power C: Circuit Short To Battery Or Open Sets when the RFA module detects a a short to battery or open with bluetooth antennas #7, #9, #10
RFA B1593:29 Antenna #7: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #7
RFA B1593:31 Antenna #7: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #7
RFA B1593:45 Antenna #7: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #7
RFA B1593:49 Antenna #7: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #7
RFA B1593:57 Antenna #7: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #7
RFA B1595:29 Antenna #9: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #9
RFA B1595:31 Antenna #9: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #9
RFA B1595:45 Antenna #9: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #9
RFA B1595:49 Antenna #9: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #9
RFA B1595:57 Antenna #9: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #9
RFA B1596:29 Antenna #10: Signal Invalid Sets when the RFA module detects an invalid signal from bluetooth antenna #10
RFA B1596:31 Antenna #10: No Signal Sets when the RFA module detects an invalid signal from bluetooth antenna #10
RFA B1596:45 Antenna #10: Program Memory Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #10
RFA B1596:49 Antenna #10: Internal Electronic Failure Sets when the RFA module detects an invalid signal from bluetooth antenna #10
RFA B1596:57 Antenna #10: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from bluetooth antenna #10

Possible Sources

  • Wiring, terminals or connectors
  • Bluetooth Antenna #9
  • Bluetooth Antenna #10
  • Bluetooth Antenna #7
  • RFA module

Visual Inspection and Pre-checks

  • If the selection is available on the scan tool (Body>Security>Phone as a Key Functions), make sure the passive entry/passive start feature is enabled. If disabled, the vehicle only starts with the key in the backup starting location.
C1 VERIFY DTC (DIAGNOSTIC TROUBLE CODE)
  • Turn off mobile device bluetooth.
  • Clear DTC's
  • Rerun RFA module self-test

Are the DTC's still present?
Yes GO to C2
No The system is operating correctly at this time. The concern may have been caused by invalid signal from the bluethooth.

C2 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect RFA module C3860 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-3   Ground

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-3   Ground

    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-3   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to C3

C3 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3862-3   Ground

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-3   Ground

    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-3   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to C4
No REPAIR the circuit.

C4 CHECK THE BLUETOOTH ANTENNA CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-3   C3860-20

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-3   C3860-20

    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-3   C3860-20

    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-1   Ground

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-1   Ground

    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-1   Ground

Are the resistances less than 3 ohms?
Yes GO to C5
No REPAIR the circuit.

C5 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-2   Ground

    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-2   Ground

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to C6

C6 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-2   Ground

    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-2   Ground

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to C7
No REPAIR the circuit.

C7 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Disconnect the RFA module C3860
  • Measure:
    Click to display connectors

      Bluetooth Antenna #7


    Positive Lead Measurement / Action Negative Lead
      C4863-2   C3860-12

    Click to display connectors

      Bluetooth Antenna #9


    Positive Lead Measurement / Action Negative Lead
      C3864-2   C3860-13

    Click to display connectors

      Bluetooth Antenna #10


    Positive Lead Measurement / Action Negative Lead
      C3871-2   C3860-3

Is the resistance less than 3 ohms?
Yes INSTALL a new bluetooth antenna.
REFER to: Bluetooth Liftgate Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
REFER to: Bluetooth Rear Interior Antenna (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to C8
No REPAIR the circuit.

C8 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Disconnect and inspect the RFA module connector..
  • Repair:
    • corrosion (install new connectors or terminals, clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the RFA module connector and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. Address the root cause of any connector or pin issues.

PINPOINT TEST D : BLUETOOTH ANTENNA #2, #11 CIRCUIT FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA B1D55:29 Antenna #2: Signal Invalid Sets when the RFA module detects an invalid signal from the bluetooth antenna #2
RFA B1D55:31 Antenna #2: No Signal Sets when the RFA module detects an invalid signal from the bluetooth antenna #2
RFA B1D55:45 Antenna #2: Program Memory Failure Sets when the RFA module detects an invalid signal from the bluetooth antenna #2
RFA B1D55:49 Antenna #2: Internal Electronic Failure Sets when the RFA module detects an invalid signal from the bluetooth antenna #2
RFA B1D55:57 Antenna #2: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from the bluetooth antenna #2
RFA B1597:29 Antenna #11: Signal Invalid Sets when the RFA module detects an invalid signal from the bluetooth antenna #11
RFA B1597:31 Antenna #11: No Signal Sets when the RFA module detects an invalid signal from the bluetooth antenna #11
RFA B1597:45 Antenna #11: Program Memory Failure Sets when the RFA module detects an invalid signal from the bluetooth antenna #11
RFA B1597:49 Antenna #11: Internal Electronic Failure Sets when the RFA module detects an invalid signal from the bluetooth antenna #11
RFA B1597:57 Antenna #11: Invalid/Incompatible Software Component Sets when the RFA module detects an invalid signal from the bluetooth antenna #11

Possible Sources

  • Wiring, terminals, or connectors.
  • Bluetooth Antenna #2.
  • Bluetooth Antenna #11.
  • RFA module.
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
D1 VERIFY DTC (DIAGNOSTIC TROUBLE CODE)
  • Turn off mobile device bluetooth.
  • Clear DTC's
  • Rerun RFA module self-test

Are the DTC's still present?
Yes GO to D2
No The system is operating correctly at this time. The concern may have been caused by invalid signal from the bluethooth.

D2 CHECK KEYLESS ENTRY KEYPAD FOR NORMAL OPERATION
  • Check the keyless entry keypad lock and unlock functions.

Do the doors lock and unlock using the keyless entry keypad?
Yes GO to D3
No DIAGNOSE the inoperative keyless entry keypad.
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
for proper diagnosis and repair.

D3 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Disconnect RFA module C3860 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #2


    Positive Lead Measurement / Action Negative Lead
      C6020-2   Ground

    Click to display connectors

      Bluetooth Antenna #11


    Positive Lead Measurement / Action Negative Lead
      C530-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to D4

D4 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Bluetooth Antenna #2


    Positive Lead Measurement / Action Negative Lead
      C6020-2   Ground

    Click to display connectors

      Bluetooth Antenna #11


    Positive Lead Measurement / Action Negative Lead
      C530-2   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to D5
No REPAIR the circuit.

D5 CHECK THE BLUETOOTH ANTENNA LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      Bluetooth Antenna #2


    Positive Lead Measurement / Action Negative Lead
      C6020-2   C3860-5

    Click to display connectors

      Bluetooth Antenna #11


    Positive Lead Measurement / Action Negative Lead
      C530-2   C3860-19

Is the resistance less than 3 ohms?
Yes INSTALL a new keyless entry keypad.
REFER to: Keyless Entry Keypad (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to D6
No REPAIR the circuit.

D6 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Disconnect and inspect all the RFA module connector. C3860 .
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the RFA module connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST E : DTC (DIAGNOSTIC TROUBLE CODE) B15A5:56

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA B15A5:56 Bluetooth Low Energy Module (BLEM): Invalid/Incompatible Configuration Sets when any bluetooth antenna is found to have a mismatch with the RFA module.

Possible Sources

  • Bluetooth Antenna mismatch.
  • Self-test not completed
E1 CHECK RFA (REMOTE FUNCTION ACTUATOR) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the RFA module self-test.

After performing the self-test do any other DTC appear?
Yes REPAIR other DTC. REFER to the DTC chart in the section.
No The system is operating correctly at this time. The concern may have been caused by not completing the self-test.

PINPOINT TEST F : RFA (REMOTE FUNCTION ACTUATOR) MODULE FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U201A:06 Control Module Main Calibration Data: Algorithm Based Failures Sets when the RFA module has incomplete or incorrect algorithm to output localization result.
RFA U201A:46 Control Module Main Calibration Data: Calibration/Parameter Memory Failure Sets when the RFA module memory fails verification.
RFA U201A:55 Control Module Main Calibration Data: Not Configured Sets when the RFA module memory not programmed.
RFA U2100:55 Initial Configuration Not Complete: Not Configured Sets when the RFA module software configuration not complete.

Possible Sources

  • There is no RFA module ID stored in the BCM memory
  • Internal memory
F1 CHECK RFA (REMOTE FUNCTION ACTUATOR) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the RFA module self-test.

Do the same DTC' s return?
Yes CARRY OUT a reload of the RFA module calibration file and configuration.
No The system is operating correctly at this time.

PINPOINT TEST G : RFA (REMOTE FUNCTION ACTUATOR) MODULE FAULTS- MULTIPLE DTC (DIAGNOSTIC TROUBLE CODE) 'S

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA P1602:00 Immobilizer/ECM Communication Error: No Sub Type Information Sets when there is no RFA module ID stored in the BCM memory.
RFA P1269:00 Immobilizer Code Not Programmed: No Sub Type Information Sets when there is no RFA module ID programmed successfully.
RFA P1622:00 Immobilizer ID Does Not Match: No Sub Type Information Sets when there is no RFA module ID echo mismatching.
RFA P1623:00 Immobilizer Code Word/ID Number Write Failure: No Sub Type Information Sets when the RFA module can not write ID in NVM
BCM B1551:51 Right Seat Left Motor Output: Not Programmed Sets when there is no BCM ID stored in the RFA module memory.
RFA U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information Set by the RFA module when it fails to send or receive data from the BCM.

Possible Sources

  • There is no RFA module ID stored in the BCM memory
  • Internal memory
G1 CHECK RFA (REMOTE FUNCTION ACTUATOR) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, carry out the RFA module self-test.

Are any other DTC' s present?
Yes REFER to DTC chart in this section.
No CARRY OUT a RFA module initialization (parameter reset).

PINPOINT TEST H : REMOTE FEATURES FUNCTIONS ARE INOPERATIVE OR DO NOT OPERATE CORRECTLY FROM THE MOBILE PHONE APPLICATION

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).
See: Remote Start.

Possible Sources

  • Outdated Lincoln Way Mobile™ application software version/level
  • Poor bluetooth antenna reception
  • Customer's mobile device
  • Customer error
  • Expired or incorrect customer access key
  • Wiring, terminals, or connectors
  • Bluetooth antenna
H1 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE FOR DTC (DIAGNOSTIC TROUBLE CODE) 'S
  • Connect the diagnostic tool.
  • Ignition ON.
  • Using a diagnostic scan tool, clear the RFA module Diagnostic Trouble Codes (DTCs).
  • Ignition OFF.
  • Ignition ON.
  • Wait at least 5 seconds.
  • Using a diagnostic scan tool, perform the RFA module self-test.

Are there any RFA module Diagnostic Trouble Codes (DTCs)?
Yes REFER to DTC chart in this section.
No GO to H2

H2 CHECK FOR CORRECT IN-VEHICLE OPERATION
  • Verify that the door lock/unlock, open/close liftgate, panic, and lock, chirp function from the RKE transmitter. For Lincoln Way app windows up and down functions, verify power window functions using the door window control switch.

Did the function in question operate correctly?
Yes GO to H3
No REFER to the appropriate workshop manual section to diagnose the inoperative function.
REFER to: Passive Anti-Theft System (PATS) (419-01B Passive Anti-Theft System (PATS), Diagnosis and Testing).
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).

H3 CHECK FOR LOST COMMUNICATION DIAGNOSTIC TROUBLE CODES (DTCS)
  • Ignition ON.
  • Using a diagnostic scan tool, clear all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
  • Ignition OFF.
  • Ignition ON.
  • Wait at least 5 seconds.
  • Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any lost communication Diagnostic Trouble Codes (DTCs) set in BCM, IPC, PCM, and/or the TCU?
Yes REFER to the Master DTC chart.
No GO to H4

H4 CHECK LINCOLN WAY APPLICATION FOR FUNCTIONALITY
  • Ensure that the following conditions are present:
    • The installed Lincoln Way Mobile™ application software version level matches the latest software version level available.
    • Bluetooth enabled.
    • Approved and supported mobile devices.
    • Correct vehicle selected.
    • The customer is logged in to the Lincoln Way Mobile™ application with the login created from the application.
    • The vehicle is linked with an active and valid Lincoln Way Mobile™ customer access key.
    • The customer removed and re-installed the Lincoln Way app correctly.
    • The vehicle is within bluetooth antenna range.
      REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).
  • Access the Lincoln Way Mobile™ application and test various specific functions for proper operation by operating the keypad displayed on the screen.

Do remote functions operate from the Lincoln Way Mobile™ application?
Yes The system is operating correctly at this time. The concern may have been caused by poor vehicle reception or low battery voltage, low system voltage, or other factors concerning the Lincoln Way app.
REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).
No GO to H5

H5 PERFORM A PHONE AS A KEY RESET

NOTE: Performing a Phone as a Key Reset deletes keys for Phone as a Key and settings for Phone as a Key including back up key codes, used to start the vehicle. The customer will need to get a new customer access key prior to verifying reset is complete and functional.

NOTE: The customer will need to get a new customer access key prior to verifying reset is complete and functional.

  • Ignition ON.
  • Go to in-vehicle FDIM
  • Select Settings
  • Swipe left to second page of Settings, select General
  • Scroll down and select Reset
  • Select Lincoln Connect Reset
  • Select Phone as a Key Reset
  • Select Continue to remove all Phone as a Key connections
  • Wait for Reset Success alert and select Close
  • Phone as a Key reset is complete (The customer will need to get a new customer access key prior to verifying reset is complete and functional.)

Do remote functions operate from the Lincoln Way Mobile™ application?
Yes The system is operating correctly at this time.
No GO to H6

H6 PERFORM A LINCOLN CONNECT RESET

NOTE: Performing a Lincoln Connect Reset returns all Lincoln Connect preference settings to the factory defaults. All user authorizations will be canceled (if applicable). All keys for Phone as a Key and settings for Phone as a Key including back up key codes, used to start the vehicle, will be deleted. For vehicles with a RFA (Remote Function Actuator) module and TCU (Telematic Control Unit Module), any devices paired with the Lincoln Way Mobile or MyLincoln Mobile™ phone application will be deleted. The customer will need to get a new customer access key prior to verifying reset is complete and functional.

NOTE: The customer will need to get a new customer access key prior to verifying reset is complete and functional.

  • Ignition ON.
  • Go to in‐vehicle FDIM
  • Select Settings
  • Swipe left to second page of Settings, select General
  • Scroll down and select Reset
  • Select Lincoln Connect Reset
  • Scroll down and tap Reset All
  • A message confirming that all Lincoln Connect settings will be erased and reset to the factory default will appear. Select Continue
  • Add the vehicle to the MyLincoln Mobile™ phone application
  • Select "Allow" on the initial FDIM touchscreen prompt.
  • Select "Allow" on the final FDIM touchscreen prompt.
  • Access the Lincoln Way Mobile™ phone application, after being properly set-up and test various specific functions for proper operation by selecting the different functions on the on screen keypad. (The customer will need to get a new customer access key prior to verifying reset is complete and functional.)

Do remote functions operate from the Lincoln Way Mobile™ application?
Yes The system is operating correctly at this time.
No GO to H7

H7 PERFORM A MASTER RESET

NOTE: Performing a Master Reset returns all preference settings to the factory defaults, erases the phone book and call histories, deletes any Bluetooth devices paired with the SYNC® system, and removes any Wi-Fi network connections (cancelling any system update download or installation in progress). For vehicles with navigation, the customer’s saved destinations (home, favorites, and previous) are erased. For vehicles with a RFA module and TCU, any devices paired with the Lincoln Way Mobile or MyLincoln Mobile™ phone application will be deleted.

NOTE: The customer will need to get a new customer access key prior to verifying reset is complete and functional.

  • Ignition ON.
  • Go to in‐vehicle FDIM
  • Select Settings
  • Swipe left to second page of Settings, select General
  • Scroll down and select Reset. If Master Reset is displayed, move to the next step.
  • Scroll down and tap Master Reset.
  • A message confirming that all system settings will be erased and reset to the factory default will appear. Tap Continue.
  • Add the vehicle to the Lincoln Way Mobile™ phone application.
  • Select "Allow" on the initial FDIM touchscreen prompt.
  • Select "Allow" on the final FDIM touchscreen prompt.
  • Access the Lincoln Way Mobile™ phone application, after being properly set-up and test various specific functions for proper operation by selecting the different functions on the on screen keypad. (The customer will need to get a new customer access key prior to verifying reset is complete and functional.)

Do remote functions operate from the Lincoln Way Mobile™ application?
Yes The system is operating correctly at this time.
No GO to H8

H8 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Ignition OFF.
  • Inspect the RFA module connector.
  • Repair:
    • corrosion (clean module pins or install new connectors or terminals)
    • damaged or bent pins (install new terminals or pins)
    • pushed-out pins (install new pins as necessary)
  • Reconnect the RFA module connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFAmodule.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST I : U3003:16

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U3003:16 Battery Voltage: Circuit Voltage Below Threshold Set by the RFA module when the supply voltage falls below 10 volts for at least 10 seconds during normal operation or for more than 250 milliseconds during the self-test

Possible Sources

  • Previous low battery voltage
  • Wiring, terminals, or connectors
  • RFA module
I1 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:16
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the RFA module.
  • Wait at least 15 seconds.
  • Using a diagnostic scan tool, repeat the self-test for the module in question.

Is DTC U3003:16 still present?
Yes GO to I2
No The system is operating correctly at this time. The DTC may have been set due to a previous low battery voltage condition.

I2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN THE PCM (POWERTRAIN CONTROL MODULE)
  • Using a diagnostic scan tool, perform the PCM self-test.

Are any voltage-related Diagnostic Trouble Codes (DTCs) set in the PCM?
Yes
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to I3

I3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE
  • Carry out the Battery Condition Test.
    REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

Is the battery OK and fully charged?
Yes GO to I4
No CORRECT the battery condition and VERIFY correct charging operation.
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).

I4 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE VOLTAGE SUPPLY
  • Ignition OFF.
  • Measure and record the voltage at the battery.
  • Disconnect the RFA module. C3860 .
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C3860-24   Ground

Is the voltage within 0.2 volts of the recorded battery voltage?
Yes GO to I5
No REPAIR the circuit for high resistance.

I5 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE GROUND CIRCUIT
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C3860-24   C3860-6

Is the voltage greater than 11 volts?
Yes GO to I6
No REPAIR the circuit.

I6 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the RFA module connector. C3860 .
  • Repair:
    • corrosion (clean module pins or install new connectors or terminals)
    • damaged or bent pins (install new terminals or pins)
    • pushed-out pins (install new pins as necessary)
  • Reconnect the RFA module connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST J : U3003:17

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U3003:17 Battery Voltage: Circuit Voltage Above Threshold Set by the RFA module when the supply voltage is more than 15.8 volts for more than 250 milliseconds during normal operation or the self-test.

Possible Sources

  • Previous high battery voltage
  • Wiring, terminals, or connectors
  • RFA module
J1 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17
  • Ignition ON.
  • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the RFA module.
  • Wait at least 10 seconds.
  • Using a diagnostic scan tool, perform the self-test for the module in question.

Is DTC U3003:17 present?
Yes GO to J2
No The system is operating correctly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.

J2 CHECK FOR HIGH VOLTAGE DIAGNOSTIC TROUBLE CODES (DTCS) SET IN MULTIPLE MODULES
  • Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are high voltage Diagnostic Trouble Codes (DTCs) set in more than one module?
Yes CORRECT the battery condition and VERIFY correct charging operation.
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to J3

J3 CHECK THE BATTERY VOLTAGE
  • Turn off all interior lights, exterior lights, and accessories.
  • Start and run the engine at approximately 2,000 RPM for 3 minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?
Yes CORRECT the battery condition and VERIFY correct charging operation.
REFER to: Charging System (414-00 Charging System - General Information, Diagnosis and Testing).
No GO to J4

J4 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the RFA module connector. C3860 .
  • Repair:
    • corrosion (clean module pins or install new connectors or terminals)
    • damaged or bent pins (install new terminals or pins)
    • pushed-out pins (install new pins as necessary)
  • Reconnect the RFA module connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST K : DTC (DIAGNOSTIC TROUBLE CODE) P0601:41, U3000:42, U3000:44, U3000:49

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA P0601:41 Internal Control Module Memory Checksum Error: General Checksum Failure Set by the RFA module when fails the internal checksum test
RFA U3000:42 Control Module: General Memory Failure Set by the RFA module when fails the internal RAM test
RFA U3000:44 Control Module: Data Memory Failure Set by the RFA module when fails the internal NVM test
RFA U3000:49 Control Module: Internal Electronic Failure Set by the RFA module when fails the internal microprocessor test

Possible Sources

  • RFA module.
K1 CHECK RFA (REMOTE FUNCTION ACTUATOR) MODULE DIAGNOSTIC TROUBLE CODES (DTCS)
  • Using a diagnostic scan tool, clear all RFA module DTC's
  • Using a diagnostic scan tool, carry out the RFA module self-test.

Is diagnostic code P0601:14, U3000:42, U3000:44 or U3000:49 present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA module.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time.

PINPOINT TEST L : U0146:08, U0198:00, U0422:00

Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Normal Operation and Fault Conditions

Diagnostic messages sent/received between the diagnostic scan tool and the HS-CAN4 modules are accessed through the HS-CAN2 circuits on the DLC. REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
RFA U0146:08 Lost Communication With Serial Data Gateway "A": Bus Signal/Message Failures Set by the RFA module when it fails to send or receive data from the GWM.
RFA U0198:00 Lost Communication With Telematic Control Module "A": No Sub Type Information Set by the RFA module when it fails to send or receive data from the TCU.

Possible Sources

  • Fuse
  • Wiring, terminals or connectors
  • APIM
  • GWM
  • TCU
  • RFA
NOTE: Various modules set network DTCs during this test procedure. Clear DTCs from all modules after completing the diagnostic procedure.
L1 CHECK THE REMOTE DLC (DATA LINK CONNECTOR) PINS FOR DAMAGE
  • Ignition OFF.
  • NOTE: If the vehicle exhibits one or more modules becoming inoperative or observable symptoms are present when a scan tool is connected, this condition is likely due to spread ground terminals 4 and 5 at the Data Link Connector (DLC). An improperly grounded scan tool will corrupt the network message traffic. Disconnect the diagnostic scan tool cable from the remote DLC.
  • Inspect the remote DLC pins 3, 4, 5, 11 and 16 for spreading or damage using a flex probe with the dimensions: 1.5mm width x .080mm thickness, Rotunda probe 300-08039 (violet).

Are any pin fit concerns or damage observed with remote DLC pins 3, 4, 5, 11 and 16?
Yes CHECK OASIS for any applicable service articles: TSB, General Service Bulletin (GSB), SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new remote DLC.
No GO to L2

L2 CHECK THE GWM (GATEWAY MODULE A)
  • Disconnect and inspect the GWM C2431..
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • spread, damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the GWM C2431. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes GO to L3
No The system is operating correctly at this time. The concern may have been caused by module or diagnostic scan tool connections. ADDRESS the root cause of any connector or pin issues.

L3 CHECK FOR HS-CAN2 (HIGH-SPEED CONTROLLER AREA NETWORK 2) COMMUNICATION
  • Using a diagnostic scan tool, perform a network test.

Does the RCM pass the network test?
Yes GO to L4
No
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
Go to Pinpoint Test BE.

L4 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) TERMINATION RESISTANCE
  • Disconnect GWM C2431. .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   C2431-6

Is the resistance between 108 and 132 ohms?
Yes GO to L5
No GO to L8

L5 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) TERMINATION RESISTOR, COMPONENT SIDE
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
    C2431-7 (component side) C2431-6 (component side)

Is the resistance between 108 and 132 ohms?
Yes GO to L6
No GO to L17

L6 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (+) AND HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (-) CIRCUITS FOR A SHORT TO GROUND
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   Ground
      C2431-6   Ground

Are the resistances greater than 1,000 ohms?
Yes GO to L7
No GO to L11

L7 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (+) AND HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (-) CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   Ground
      C2431-6   Ground

Are the voltages greater than 6 volts?
Yes REPAIR the circuit in question.
No GO to L12

L8 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) CIRCUITS BETWEEN THE TCU (TELEMATIC CONTROL UNIT MODULE) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN
  • Disconnect TCU C4803A..
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C4803A-8   C2431-7
      C4803A-16   C2431-6

Are the resistances less than 3 ohms?
Yes GO to L9
No REPAIR the circuit in question.

L9 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (+) AND HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (-) CIRCUITS FOR A SHORT TOGETHER
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   C2431-6

Is the resistance less than 3 ohms?
Yes GO to L10
No GO to L18

L10 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (+) AND HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (-) CIRCUITS FOR A SHORT TOGETHER WITH THE MODULES DISCONNECTED
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   C2431-6
  • Disconnect modules one at a time until the resistance is greater than 3 ohms..
    • APIM C2383
    • TCU C4803A
    • RFA C3860

Did the resistance change to greater than 3 ohms with one of the modules disconnected?
Yes For the APIM, GO to L16
For the TCU, GO to L18
For the RFA, GO to L19
No REPAIR the circuits in question.

L11 CHECK THE HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (+) AND HS-CAN4 (HIGH-SPEED CONTROLLER AREA NETWORK 4) (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2431-7   Ground
      C2431-6   Ground
  • Disconnect modules one at a time until the resistance to ground is greater than 1,000 ohms..
    • APIM C2383
    • TCU C4803A
    • RFA C3860

Did the resistance change to greater than 1,000 ohms with one of the modules disconnected?
Yes For the APIM, GO to L16
For the TCU, GO to L18
For the RFA, GO to L19
No REPAIR the circuit in question. CONNECT all modules.

L12 CHECK FOR RESTORED COMMUNICATION WITH THE TCU (TELEMATIC CONTROL UNIT MODULE) DISABLED

NOTE: When re-running the network test, close the network test application first or the screen display reverts back to the prior network test results.

  • Disconnect BCM fuse 8 (5A)..
  • Using a diagnostic scan tool, perform the network test.

Do all other HS-CAN4 modules pass the network test?
Yes INSTALL the removed fuse.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
GO to Pinpoint Test AA.
No INSTALL the removed fuse. GO to L13

L13 CHECK FOR RESTORED COMMUNICATION WITH THE APIM (SYNC MODULE) DISABLED

NOTE: When re-running the network test, close the network test application first or the screen display reverts back to the prior network test results.

  • Disconnect BCM fuse 15 (15A)..
  • Using a diagnostic scan tool, perform the network test.

Do all other HS-CAN4 modules pass the network test?
Yes INSTALL the removed fuse.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
Go to Pinpoint Test X
No INSTALL the removed fuse. GO to L14

L14 VERIFY VEHICLE EQUIPMENT - RFA (REMOTE FUNCTION ACTUATOR)
  • Inspect the vehicle for a RFA.

Is the vehicle equipped with a RFA?
Yes GO to L15
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L15 CHECK FOR RESTORED COMMUNICATION WITH THE RFA (REMOTE FUNCTION ACTUATOR) DISABLED

NOTE: When re-running the network test, close the network test application first or the screen display reverts back to the prior network test results.

  • Disconnect BCM fuse 20 (5A)..
  • Using a diagnostic scan tool, perform the network test.

Do all other HS-CAN4 modules pass the network test?
Yes INSTALL the removed fuse.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
Go to Pinpoint Test AY.
No INSTALL the removed fuse. The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L16 CHECK THE APIM (SYNC MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the APIM connector. C2383 .
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the APIM connector. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,
   Click here to access Guided Routine (APIM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test.
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L17 CHECK THE GWM (GATEWAY MODULE A) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the GWM connector C2431..
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the GWM connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new GWM.
REFER to: Gateway Module A (GWM) (418-00 Module Communications Network, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L18 CHECK THE TCU (TELEMATIC CONTROL UNIT MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect all the TCU connectors. C4803A .
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the TCU connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new TCU.
REFER to: Telematics Control Unit (TCU) Module (415-00 Information and Entertainment System - General Information, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L19 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the RFA module connector. C3860 .
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the RFA connector. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RFA.
REFER to: Remote Function Actuator (RFA) Module (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST M : B155E:00

Normal Operation and Fault Conditions

REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Phone as a Key, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
BCM B155E:00 Incorrect Response from Immobilizer SubControl Module: No Sub Type Information Set by the BCM when the Phone as a Key function has not been enabled.

Possible Sources

  • Phone as a Key function not enabled
  • BCM
M1 CHECK THAT PHONE AS A KEY FUNCTION IS ENABLED
  • Using the diagnostic scan tool, navigate to the Multi-Module screen.
  • Click on Disable/Enable Phone as a Key.
  • ENABLE Phone as a Key.
  • Using the diagnostic scan tool, clear all DTCs and run self-test

Is code B155E:00 present?
Yes GO to M2
No The system is operating correctly at this time. ADDRESS any other DTCs that may be present.

M2 CHECK THE BCM (BODY CONTROL MODULE) FOR CORRECT OPERATION
  • Ignition OFF.
  • Disconnect and inspect the BCM connectors. .
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the BCM connectors. Make sure it seats and latches correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.


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    The passive key operates the power locks and the remote start system. The passive key must be in your vehicle to use the push button start.

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