Lincoln Aviator: Maintenance / Engine Coolant Check
WARNING: Do not remove the coolant reservoir cap when the engine is on or the cooling system is hot. Wait 10 minutes for the cooling system to cool down. Cover the coolant reservoir cap with a thick cloth to prevent the possibility of scalding and slowly remove the cap. Failure to follow this instruction could result in personal injury.
WARNING: Do not put coolant in the windshield washer reservoir. If sprayed on the windshield, coolant could make it difficult to see through the windshield.
WARNING: To reduce the risk of personal injury, make sure the engine is cool before unscrewing the coolant pressure relief cap. The cooling system is under pressure. Steam and hot liquid can come out forcefully when you loosen the cap slightly.
WARNING: Do not add coolant further than the MAX mark.
When the engine is cold, check the concentration and level of the coolant at the intervals listed in the scheduled maintenance information.
Note: Make sure that the coolant level is between the MIN and MAX marks on the coolant reservoir.
Note: Coolant expands when it is hot. The level may extend beyond the MAX mark.
Maintain coolant concentration within 48% to 50%, which equates to a freeze point between -29°F (-34°C) and -35°F (-37°C). Coolant concentration should be checked using a refractometer. We do not recommend the use of hydrometers or coolant test strips for measuring coolant concentration.
Changing the Engine Air Filter
WARNING: To reduce the risk of
vehicle damage and personal burn injuries,
do not start your engine with the air
cleaner removed and do not remove it
while the engine is running...
Adding Coolant
WARNING: Do not add engine
coolant when the engine is on or the
cooling system is hot. Failure to follow this
instruction could result in personal injury...
Other information:
Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Body Control Module (BCM)
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 B11D9:16 Vehicle Battery:Circuit Voltage Below Threshold GO to Pinpoint Test Y BCM B11D9:17 Vehicle Battery:Circuit Voltage Above Threshold GO to Pinpoint Test Z BCM U0100:87 Lost Communication With ECM/PCM "A":Missing Message GO to Pinpoint Test A BCM U0121:87 Lost Communication With Anti-Lock Brake System (ABS) Control Module:Missing Message GO to Pinpoint Test B BCM U0131:87 Lost Communication With Power Steering Control Module:Missing Message GO to Pinpoint Test C BCM U0151:87 Lost Communication With Restraints Control Module:Missing Message GO to Pinpoint Test D BCM U0155:87 Lost Communication With Instrument Panel Cluster (IPC) Control Module:Missing Message GO to Pinpoint Test E BCM U0166:87 Lost Communication With Auxiliary Heater Control Module:Missing Message GO to Pinpoint Test F BCM U0184:87 Lost Communication With Radio:Missing Message GO to Pinpoint Test G BCM U0198:87 Lost Communication With Telematic Control Module: Missing Message GO to Pinpoint Test H BCM U0199:87 Lost Communication With "Door Control Module A":Missing Message GO to Pinpoint Test I BCM U019B:87 Lost Communication With Battery Charger Control Module:Missing Message GO to Pinpoint Test J BCM U0200:87 Lost Communication With "Door Control Module B":Missing Message GO to Pinpoint Test K BCM U0208:87 Lost Communication With "Seat Control Module A":Missing Message GO to Pinpoint Test L BCM U0212:87 Lost Communication With Steering Column Control Module:Missing Message GO to Pinpoint Test M BCM U0230:87 Lost Communication With Rear Gate Module:Missing Message GO to Pinpoint Test N BCM U0232:87 Lost Communication With Side Obstacle Detection Control Module "A":Missing Message GO to Pinpoint Test O BCM U0233:87 Lost Communication With Side Obstacle Detection Control Module "B":Missing Message GO to Pinpoint Test P BCM U023A:87 Lost Communication With Image Processing Control Module A:Missing Message GO to Pinpoint Test Q BCM U0252:87 Lost Communication With Lighting Control Module-Rear "B":Missing Message GO to Pinpoint Test R BCM U0253:87 Lost Communication With Accessory Protocol Interface Module:Missing Message GO to Pinpoint Test S BCM U0256:87 Lost Communication With Front Controls Interface Module "A":Missing Message GO to Pinpoint Test T BCM U0293:87 Lost Communication With Hybrid/EV Powertrain Control Module "A":Missing Message GO to Pinpoint Test U BCM U1000:00 Solid State Driver Protection Active:Driver Disabled: No Sub Type Information GO to Pinpoint Test V BCM U2005:85 Vehicle Speed:Signal Above Allowable Range GO to Pinpoint Test W BCM U2100:00 Initial Configuration Not Complete:No Sub Type Information GO to Pinpoint Test X BCM U2101:00 Control Module Configuration Inomplete:No Sub Type Information GO to Pinpoint Test X BCM U2200:00 Control Module Configuration Memory Corrupt:No Sub Type Information GO to Pinpoint Test X BCM U3000:49 Control Module:Internal Electronic Failure GO to Pinpoint Test AA BCM U3006:16 Control Module Input Power “A”:Circuit Voltage Below Threshold GO to Pinpoint Test Y BCM U3006:17 Control Module Input Power “A”:Circuit Voltage Above Threshold GO to Pinpoint Test Z BCM U3006:1C Control Module Input Power “A”:Circuit Voltage Out of Range GO to Pinpoint Test Y BCM U3006:1C Control Module Input Power “A”:Circuit Voltage Out of Range GO to Pinpoint Test Z BCM U3007:16 Control Module Input Power "B":Circuit Voltage Below Threshold GO to Pinpoint Test Y BCM U3007:17 Control Module Input Power "B":Circuit Voltage Above Threshold GO to Pinpoint Test Z BCM U3013:16 Control Module Input Power "C":Circuit Voltage Below Threshold GO to Pinpoint Test Y BCM U3013:17 Control Module Input Power "C":Circuit Voltage Above Threshold GO to Pinpoint Test Z BCM U3014:16 Control Module Input Power "D":Circuit Voltage Below Threshold GO to Pinpoint Test Y BCM U3014:17 Control Module Input Power "D":Circuit Voltage Above Threshold GO to Pinpoint Test Z Symptom Chart Symptom Chart: Multifunction Electronic Modules Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...
Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Universal Transmitter
Symptom Chart(s) Symptom Chart: Universal Home Transmitter 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)...
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Activating Intelligent Access
The intelligent access key must be within 3 ft (1 m) of the door or luggage compartment you intend to lock or unlock.
At a Door
Electronic door handles are on each door. Gently depress the switch inside the exterior door handle to unlock and open the door. An unlock symbol illuminates on the door window trim indicating your vehicle is unlocked.
