2021 Lincoln Aviator Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 38 verified NHTSA owner complaints, 28 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Lincoln Aviator receives a 5/10 MazicBay Reliability Index based on 38 verified NHTSA federal complaints and 28 safety recalls. The primary reported failure mode is Electrical Parasitic Drain, Infotainment & Harness Reports with a median failure point at 23,000 miles (IQR: 17,000 – 29,000 mi). Out-of-warranty repairs benchmark at $280 – $850 .
17.3 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
28 Active / Free Remedies
2021 Aviator Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (7)
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“I have been having issues with my breaks sticking when applied. To the point that it’s completely stopping my car and i need to use my foot to release the brake from behind. I have had the dealership look at this issue and they can’t seem to find the problem. They also broke m...”
“My vehicle is a hybrid and repeatedly gets high voltage battery warnings when the electric battery shows zero miles when idling. Four times it has shown pull over safely messages and high voltage battery warnings and then it is only in auxiliary mode. By the time a tow truck c...”
“The contact owns a 2021 Lincoln Aviator. The contact stated that the vehicle did not start, the vehicle was , the hood was raised, the contact went back to the vehicle to try to start, the vehicle would not turn over with clicking in the engine. the vehicle began to smoke with...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“The contact owns a 2021 Lincoln Aviator. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that while driving 70-75 MPH, the check engine warning li...”
“The contact owns a 2021 Lincoln Aviator. The contact stated that the vehicle did not start, the vehicle was , the hood was raised, the contact went back to the vehicle to try to start, the vehicle would not turn over with clicking in the engine. the vehicle began to smoke with...”
“1.) Exhaust System Failure (Flex Pipe / Catalytic Converter) The vehicle’s exhaust system—specifically the flex pipe connected to the catalytic converter—cracked and malfunctioned. This component is available for inspection upon request. As a result of the failure, exhaust fum...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The contact owns a 2021 Lincoln Aviator. The contact stated that while the vehicle was unoccupied and parked on an incline, the vehicle rolled backwards several feet and then came to a complete stop. The vehicle was not diagnosed or repaired by an independent mechanic or deale...”
“For the first 39 months of my ownership my 2021 Lincoln Aviator Grand Touring plug-in electric hybrid would not charge properly and resulted in thousands of charge station fault alerts. The dealership was dismissive of the issue for years because it seemed to work for the few ...”
“My 2021 Lincoln Aviator grand touring PHEV has on 3 separate occasions randomly gone into “brick” mode where power is to some components like the Sync screen, and some lights, but main dash won’t boot, the lock/unlock doesn’t work but lock icon flashes on door panel, the vehic...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“I have been having issues with my breaks sticking when applied. To the point that it’s completely stopping my car and i need to use my foot to release the brake from behind. I have had the dealership look at this issue and they can’t seem to find the problem. They also broke m...”
“The vehicle is intermittently braking on its own while driving. The issue has become significantly worse over the course of a month. The dashboard message reads, “brake applied, power reduced”. This is a danger to both myself and other drivers as we are unable to control the s...”
“My 2021 Lincoln Aviator grand touring PHEV has on 3 separate occasions randomly gone into “brick” mode where power is to some components like the Sync screen, and some lights, but main dash won’t boot, the lock/unlock doesn’t work but lock icon flashes on door panel, the vehic...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“My car start making a very loud squeaking noise when I turn or hit any small bumb in the road. So I took it to the shop and was told both front lower ball joint boots are broken the exact same way. Now what bother me is what the mechanic said next. I quote " some type of suspe...”
“1.) Exhaust System Failure (Flex Pipe / Catalytic Converter) The vehicle’s exhaust system—specifically the flex pipe connected to the catalytic converter—cracked and malfunctioned. This component is available for inspection upon request. As a result of the failure, exhaust fum...”
“UNKNOWN ON several occasions the vehicle would just shut off. Another occasion while getting on the freeway I pressed the accelerator pedal and the car pumped the brakes,there was no one in front of me or on side of me upon entering the freeway. Another incident I was in the f...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2021 Lincoln Aviator. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that while driving 70-75 MPH, the check engine warning li...”
“The contact owns a 2021 Lincoln Aviator. The contact stated that while 5 MPH and depressing the accelerator pedal, the vehicle failed to respond as intended. The message to “Shift to Park” was displayed. The contact pulled over to right side of the road, turned off and restart...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“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.”
Official NHTSA Safety Recalls (28)
SUSPENSION:REAR
Summary: 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.
ENGINE
Summary: Ford Motor Company (Ford) is recalling certain 2020-2021 Explorer and Lincoln Aviator vehicles. The right hand motor mount fasteners may have been incorrectly tightened, and may loosen over time.
BACK OVER PREVENTION:SOFTWARE
Summary: 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 camera image from displaying.
BACK OVER PREVENTION:DISPLAY FUNCTION
Summary: 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 backup camera image. As such, these vehicles fail to comply with the requirements of the Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
STEERING
Summary: Ford Motor Company (Ford) is recalling certain 2021 Lincoln Aviator vehicles. The steering knuckles may have been manufactured improperly.
AIR BAGS:SIDE/WINDOW:CURTAIN
Summary: 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 an improper deployment. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard 214, "Side Impact Protection".
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR
Summary: 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 conditioning (A/C) compressor pulley, and resulting in damage to electrical wires, or the A/C compressor drive belt.
SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
Summary: 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 vehicle is started, the seat belt warning system may activate the audible warning chime for an insufficient amount of time of less than 4 seconds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: 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 rearview camera image from displaying.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: 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 rearview camera image from displaying.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: 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 camera if equipped, may not display a rearview image when the vehicle is placed in reverse.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Summary: 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 cells may result in an internal short circuit and battery failure.
BACK OVER PREVENTION:DISPLAY FUNCTION
Summary: Ford Motor Company (Ford) is recalling certain 2020-2024 Lincoln Aviator vehicles. The accessory protocol image module (APIM) can be affected by electromagnetic interference with a cell phone in the vehicle, causing the rearview camera image to flicker or become distorted.
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
Summary: Ford Motor Company (Ford) is recalling certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine. The engine intake valves may break while driving, which can result in engine failure and a loss of drive power.
EQUIPMENT:OTHER:LABELS
Summary: Ford Motor Company (Ford) is recalling certain 2020-2025 Explorer, Lincoln Aviator, 2020-2024 Escape, Lincoln Corsair, 2018-2024 F-150, Expedition and Lincoln Navigator vehicles. The air bag warning label may be missing from the dashboard. As such, these vehicles fail to comply with the requirement Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
SEAT BELTS
Summary: Ford Motor Company (Ford) is recalling certain 2020-2021 Explorer and Aviator vehicles. The seat belt buckle anchor bolts at one or more seating positions may be improperly secured. Additionally, vehicles may have an improperly secured seat belt retractor anchor bolt and/or seat belt anchor bolt at the second-row center seating position, if equipped.
BACK OVER PREVENTION:SOFTWARE
Summary: Ford Motor Company (Ford) is recalling certain 2020-2023 Explorer, Lincoln Aviator, and 2020-2022 Lincoln Corsair vehicles previously repaired incorrectly under recall number 23V-342. The video output may fail, preventing the rearview camera image from displaying.
SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
Summary: Ford Motor Company (Ford) is recalling certain 2020-2023 Lincoln Aviator and Lincoln Corsair vehicles equipped with a Revel Audio System that were repaired incorrectly under recall 22V-953. When the driver's seat belt is not buckled and the vehicle is started, the seat belt warning system may activate the audible warning chime for an insufficient amount of time of less than 4 seconds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Summary: Ford Motor Company (Ford) is recalling certain 2020-2021 Lincoln Aviator vehicles equipped with 3.0L PHEV engines that were repaired incorrectly under recall 23V626. A manufacturing defect in one or more of the high voltage battery cells may result in an internal short circuit and battery failure.
SEATS:MID/REAR ASSEMBLY
Summary: Ford Motor Company (Ford) is recalling certain 2020-2025 Aviator, and Explorer vehicles. The switch for the easy-entry second-row outer seats may bind or stick, resulting in the seats unlatching, folding, or sliding unexpectedly while driving.
STRUCTURE:BODY
Summary: Ford Motor Company (Ford) is recalling certain 2020-2025 Aviator vehicles. The rear door window bars and C-pillar trim may have insufficient adhesive bonding, which can allow the trim to detach from the vehicle.
BACK OVER PREVENTION:SOFTWARE
Summary: Ford Motor Company (Ford) is recalling certain 2018-2022 Transit Connect, 2019-2020 MKZ, MKX, Edge, Continental, F-150, Nautilus, Fusion, 2019-2023 Ranger, Mustang, 2020-2021 EcoSport, Expedition, Navigator, 2020-2022 Escape, F-250 SD, Corsair, 2020-2023 Aviator, Transit, 2020-2024 Explorer, 2021-2024 Bronco Sport, and 2022-2024 Maverick vehicles. A software error may cause the rearview camera to display a blank image, or the image may remain on the display after the backing event has ended.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
Summary: Ford Motor Company (Ford) is recalling certain 2020-2022 Explorer, Escape, Lincoln Aviator, and Lincoln Corsair vehicles. The windshield wiper motor may fail and prevent the windshield wipers from operating properly.
BACK OVER PREVENTION:SOFTWARE
Summary: Ford Motor Company (Ford) is recalling certain 2020-2022 Escape, Lincoln Corsair, 2020-2024 Lincoln Aviator, and Explorer vehicles. The image on the center display may flip or invert, resulting in an incorrectly displayed rearview image when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
SEAT BELTS
Summary: 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.
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: Ford Motor Company (Ford) is recalling certain 2018-2021 Navigator, Expedition, 2020-2021 Explorer, Lincoln Aviator, and 2021 F-150 vehicles. The transmission park pawl may engage while the vehicle is in motion, resulting in park system damage.
SEATS:MID/REAR ASSEMBLY
Summary: Ford Motor Company (Ford) is recalling certain 2020-2027 Aviator and 2020-2026 Explorer vehicles. The switch for the easy-entry second-row outer seats may bind or stick, resulting in the seats unlatching, tipping, or sliding unexpectedly.
Pre-Purchase Inspection Checklist for 2021 Lincoln Aviator
Before purchasing a used 2021 Lincoln Aviator, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 28 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Lincoln Aviator
Is the 2021 Lincoln Aviator a reliable used car?
The 2021 Lincoln Aviator earns a 5/10 MazicBay Reliability Index based on 38 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2021 Lincoln Aviator?
The leading complaint category is Electrical Parasitic Drain, Infotainment & Harness Reports, with a median failure point around 23,000 miles (IQR: 17,000 – 29,000 mi).
Are there free recall repairs available for the 2021 Lincoln Aviator?
Yes, the NHTSA records 28 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.