2021 Lincoln Aviator Service and Repair Manual

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Covers all 2021 Aviator trims — Black Label Sport Utility 4-Door, Black Label Grand Touring Sport Utility 4-Door, Grand Touring Sport Utility 4-Door +2 more ·
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2021 Lincoln Aviator service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Black Label Sport Utility 4-Door
  • Black Label Grand Touring Sport Utility 4-Door
  • Grand Touring Sport Utility 4-Door
  • Base Sport Utility 4-Door
  • Reserve Sport Utility 4-Door

Engines covered

  • 3.0L 2956CC 181Cu. In. V6 GAS DOHC Turbocharged
  • 3.0L 2956CC 181Cu. In. V6 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #21V22300030/03/2021Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Ford Motor Company (Ford) is recalling certain 2020-2021 Lincoln Aviator vehicles. The image processing module may be unable to provide video feed to the display, which could result in a loss of the

Consequence

A backup camera that displays a blank or distorted image reduces the driver's rear view, increasing

Remedy

Ford will notify owners, and dealers will update the image processing module software with the lates

NHTSA #23V59800025/08/2023Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Ford Motor Company (Ford) is recalling certain 2020-2023 Lincoln Aviator, 2018-2021 Lincoln Navigator, 2022-2023 Ford Transit, and 2021 Ford Bronco vehicles. The rearview camera, or 360-degree view c

Consequence

Loss of the rearview camera image can reduce the driver's rear visibility, increasing the risk of a

Remedy

Dealers will replace the rearview camera, and update the software and wiring as necessary, free of c

NHTSA #22V95300023/12/2022Component: SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

Ford Motor Company (Ford) is recalling certain 2020-2023 Lincoln Aviator and 2020-2022 Lincoln Corsair vehicles equipped with a Revel Audio System. When the driver's seat belt is not buckled and the

Consequence

An audible warning chime that does not properly alert of an unbelted seat belt can increase the risk

Remedy

Dealers will update the audio control module software, free of charge. Owner notification letters w

NHTSA #21V65200023/08/2021Component: AIR BAGS:SIDE/WINDOW:CURTAIN

Ford Motor Company (Ford) is recalling certain 2021 Explorer and Lincoln Aviator vehicles. The side air bag attachment weld studs could detach during the deployment of the side air bag, resulting in

Consequence

Improper deployment of a side air bag increases the risk of injury during a crash.

Remedy

Dealers will replace the side air bag assemblies, free of charge. Owner notification letters were m

NHTSA #23V02200023/01/2023Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Ford Motor Company (Ford) is recalling certain 2020-2023 Explorer, Lincoln Aviator, and 2020-2022 Lincoln Corsair vehicles equipped with a 360-degree camera. The video output may fail, preventing the

Consequence

Loss of the rearview camera image can reduce the driver's rear visibility, increasing the risk of a

Remedy

Dealers will update the image processing module (IPMB) software, free of charge. Interim owner noti

NHTSA #21V73500022/09/2021Component: BACK OVER PREVENTION:SOFTWARE

Ford Motor Company (Ford) is recalling certain 2020-2021 Explorer, Lincoln Corsair, and Lincoln Aviator vehicles equipped with 360-degree cameras. The video output may fail, preventing the rearview c

Consequence

A rearview camera that does not display an image reduces the driver's rear view, increasing the risk

Remedy

Dealers will update the Image Processing Module (IPMB) software, free of charge. Owner notification

NHTSA #26V15900017/03/2026Component: SEAT BELTS

Ford Motor Company (Ford) is recalling certain 2020-2026 Explorer and Lincoln Aviator vehicles. The seat belt anchor bolts at the second-row outer seating positions may be improperly secured.

Consequence

A loose seat belt buckle may not properly restrain an occupant during a crash, increasing the risk o

Remedy

Dealers will inspect the second-row outer seat belt lower anchor bolts and replace or repair them as

NHTSA #21V53400015/07/2021Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR

Ford Motor Company (Ford) is recalling certain 2020-2021 Lincoln Aviator vehicles equipped with 3.0L gasoline engines. The wire harness may not be secured properly, possibly contacting the air condit

Consequence

Damaged electrical wires may short-circuit, increasing the risk of a fire.

Remedy

Dealers will inspect the harness and A/C compressor belt for damage, replacing them as necessary, an

NHTSA #23V34200012/05/2023Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Ford Motor Company (Ford) is recalling certain 2020-2023 Explorer, Lincoln Aviator, and 2020-2022 Lincoln Corsair vehicles equipped with a 360-degree camera. The video output may fail, preventing the

Consequence

Loss of the rearview camera image can reduce the driver's rear visibility, increasing the risk of a

Remedy

Dealers will replace the 360-degree camera, free of charge. Owner notification letters were mailed

NHTSA #21V87000010/11/2021Component: SUSPENSION:REAR

Ford Motor Company (Ford) is recalling certain 2021 Explorer and Lincoln Aviator vehicles. Incorrect rear suspension module components may have been installed due to a labeling error.

Consequence

A rear suspension module with incorrect components may affect vehicle handling, ride height, and bra

Remedy

Dealers will inspect the rear suspension module, and replace any incorrect parts, as necessary, free

NHTSA #23V62600008/09/2023Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

Ford Motor Company (Ford) is recalling certain 2020-2022 Lincoln Aviator and Ford Explorer vehicles equipped with 3.0L PHEV engines. A manufacturing defect in one or more of the high voltage battery

Consequence

Battery failure can cause a loss of drive power, increasing the risk of a crash. Battery failure ca

Remedy

Dealers will perform a Battery Energy Control Module (BECM) diagnostic test and replace the high vol

TSB #10252664

Some 2020-2023 Explorer/Aviator 3.0L plug-in hybrid electric (PHEV) vehicles may exhibit an illuminated malfunction indicator lamp (MIL) and/or powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P084B stored in the

TSB #10252608

This article supersedes TSB 24-2069 to update the vehicles affected. Some 2020-2023 Aviator 3.0L plug-in hybrid electric (PHEV) vehicles may exhibit an illuminated malfunction indicator lamp (MIL) and/or powertrain malfunction (wrench) indi

TSB #10250306

Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost hybrid engine, 2020-2023 Explorer vehicles equipped with a 3.3L hybrid engine and 2020-2023 Aviator vehicles equipped with a 3.0L hybrid engine may exhibit a malfunction indicato

TSB #10249420

Some 2020-2022 Aviator and 2021-2022 Corsair hybrid vehicles built on or before 01-Apr-2022 may exhibit charging concerns with the Lincoln dual-voltage charging cord (TurboCord). This style of charging cord can be indentified by one of the

TSB #10236587

2020-2023 Explorer/Aviator/Police Interceptor Utility Hybrid vehicles may exhibit a charging system warning in the message center and/or illuminated battery lamp with DTC B11D9 present in the body control module (BCM). Refer to Workshop Man

TSB #10226727

Some 2020-2022 Aviator/Explorer Hybrid vehicles may experience a concern where the EV power flow does not display in the center display screen. This may be due to accessory protocol interface module (APIM) software. To correct the condition

TSB #10224777

Some 2021-2022 Mustang Mach-E/Escape plug-in hybrid electric vehicle (PHEV), 2020-2022 Aviator PHEV, and 2022 Transit battery electric vehicle (BEV) vehicles may experience an illuminated powertrain malfunction (Wrench) indicator and/or mal

TSB #10222524

Certain 2020 - 2022 Model Year Aviator PHEV and Explorer PHEV Vehicles Reprogram Powertrain Control Module In all of the affected vehicles, if the vehicle is charging via the charging cable and the customer requests a remote start, disconne

Showing the 8 most recent of 260 technical service bulletins on file with NHTSA.

20260512Component: AIR BAGSCrash reported

I was completely stopped in traffic a car failed to reduce speed and slammed into the back of my car. My neck whipped forward no air bags deployed.

20230208Component: SEATSFire reported

My vehicle has heated seats. This week, when I was using the heated seats, I noticed a burning sensation on my left buttocks. I later discovered a burn hole in my seat (bottom left) and a matching bur

20230208Component: FIRERELATEDFire reported

My vehicle has heated seats. This week, when I was using the heated seats, I noticed a burning sensation on my left buttocks. I later discovered a burn hole in my seat (bottom left) and a matching bur

20250829Component: ELECTRICAL SYSTEM2 injured

My 2021 Lincoln Aviator PHEV lift gate safety stop does not function properly. It will come closing down extremely hard. This will happen when the button is pressed on the lift gate or the hands free

20250829Component: STRUCTURE:BODY2 injured

My 2021 Lincoln Aviator PHEV lift gate safety stop does not function properly. It will come closing down extremely hard. This will happen when the button is pressed on the lift gate or the hands free

Showing the 5 most serious of 54 complaints filed with NHTSA.

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