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Lincoln Aviator 2020-2024 Owners Manual / Maintenance / Changing the 12V Battery / Battery Management System (If Equipped)

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 2020-2024 Service Manual: 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...

    Lincoln Aviator 2020-2024 Service Manual: Removal and Installation - Coolant Outlet Connector


    Special Tool(s) / General Equipment Hose Clamp Remover/Installer Removal Remove the direct injection fuel rail LH. Refer to: Direct Injection Fuel Rail LH (303-04A Fuel Charging and Controls - 3.0L EcoBoost/3.0L EcoBoost – Hybrid (BQ), Removal and Installation)...

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    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.

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