Lincoln Aviator: Changing the 12V Battery / Battery Management System (If Equipped)

The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.

Systems included are:

  • Heated rear window.
  • Heated seats.
  • Climate control.
  • Heated steering wheel.
  • Audio unit.
  • Navigation system.

A message may appear in the information displays to alert you that battery protection actions are active. These messages are only for notification that an action is taking place, and not intended to indicate an electrical problem or that the battery requires replacement.

After battery replacement, or in some cases after charging the battery with an external charger, the battery management system requires eight hours of vehicle sleep time to relearn the battery state of charge. During this time your vehicle must remain fully locked with the ignition switched off.

Note: Prior to relearning the battery state of charge, the battery management system may temporarily disable some electrical systems.

Electrical Accessory Installation

To make sure the battery management system works correctly, do not connect an electrical device ground connection directly to the battery negative post. This can cause inaccurate measurements of the battery condition and potential incorrect system operation.

Note: If you add electrical accessories or components to the vehicle, it may adversely affect battery performance and durability. This may also affect the performance of other electrical systems in the vehicle.

    Changing the 12V Battery

    WARNING: Batteries normally produce explosive gases which can cause personal injury. Therefore, do not allow flames, sparks or lighted substances to come near the battery...

    Remove and Reinstall the Battery

    To disconnect or remove the battery, do the following: Apply the parking brake and switch the ignition off. Switch all electrical equipment off, for example lights and radio...

    Other information:

    Lincoln Aviator 2020-2026 Service Manual: Removal and Installation - Rear Stabilizer Bar


    Removal NOTICE: Suspension fasteners are critical parts that affect the performance of vital components and systems. Failure of these fasteners may result in major service expense. Use the same or equivalent parts if replacement is necessary. Do not use a replacement part of lesser quality or substitute design...

    Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Charging System


    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 B11DB:02 Battery Monitoring Module "A": General Signal Failure   GO to Pinpoint Test F   BCM B11DB:08 Battery Monitoring Module "A": Bus Signal/Message Failures   GO to Pinpoint Test F   BCM B11DB:09 Battery Monitoring Module "A": Component Failures   GO to Pinpoint Test F   BCM B11DB:11 Battery Monitoring Module "A": Circuit Short To Ground   GO to Pinpoint Test F   BCM B11DB:49 Battery Monitoring Module "A": Internal Electronic Failure   GO to Pinpoint Test I   BCM B11DB:55 Battery Monitoring Module "A": Not Configured   GO to Pinpoint Test J   BCM B1489:11 Battery Monitoring System (BMS) Sensor Power: Circuit Short To Ground   GO to Pinpoint Test F   PCM P0562:00 System Voltage Low: No Sub Type Information   GO to Pinpoint Test B   PCM P0563:00 System Voltage High: No Sub Type Information   GO to Pinpoint Test A   PCM P065B:00 Generator "A" Control Circuit Range/Performance: No Sub Type Information   GO to Pinpoint Test B   PCM P065C:00 Generator "A" Mechanical Performance: No Sub Type Information   GO to Pinpoint Test B   PCM P0A3B:00 Generator "A" Over Temperature: No Sub Type Information   GO to Pinpoint Test K   PCM P0A5A:00 Generator Current Sensor Circuit Range/Performance: No Sub Type Information   GO to Pinpoint Test E   PCM P0A5B:00 Generator Current Sensor Circuit Low: No Sub Type Information   GO to Pinpoint Test E   PCM P0A5C:00 Generator Current Sensor Circuit High: No Sub Type Information   GO to Pinpoint Test E   PCM U012D:00 Lost Communication With Generator "A" Control Module: No Sub Type Information   GO to Pinpoint Test G   PCM U042E:00 Invalid Data Received From Generator "A" Control Module: No Sub Type Information   GO to Pinpoint Test G Inspection and Verification Verify the customer concern by operating the charging system...

    Categories

    Fastening the Seatbelts

    The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.

    Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.

    Lincoln Aviator. Fastening the Seatbelts

    To unfasten, press the release button and remove the tongue from the buckle.

    read more

     
    Copyright © 2026 www.liaviator2.com