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Other or unknownPart report

2021 Lincoln Aviator Other or unknown Problems

Complaints
7about this part
Share
18%of 40 total for the year
Median mileage
33,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the other or unknown of the 2021 Lincoln Aviator, 18% of the 40 complaints for this model year. Where a mileage was given, the median is 33,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I am writing to express my frustration regarding the unresolved issue related to recall 24V368 concerning the rearview camera image. This has been an ongoing problem for several years, and despite receiving multiple safety recall notices and scheduling appointments with your service department, the issue remains unaddressed.”

NHTSA complaint #11614521, filed 2024-09

“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 burn on the coat I was wearing (bottom left). I am reporting this incident I because I believe there is a defect of the heated sweats in my vehicle that could lead to severe burns to passengers.”

NHTSA complaint #11506325, filed 2023-02

“I have been reporting an issue for over two years with multiple dealerships regarding a sulphur and other strong exhaust smell. This Sulphur smell is most problematic and occurs most often at least one per day. This issue started off intermittently but is now occurring as increase frequencies. The Lincoln dealerships tell me this is normal. I am not sure what system is exactly failing as no codes are being presented (so says the dealership. This smell is so strong and can be easily smelled in the car but even more once opening the doors or hatchback. …”

NHTSA complaint #11616359, filed 2024-09

“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 comes it is able to start again and Ford has been unable to find the issue after 4 visits”

NHTSA complaint #11746352, filed 2026-06

“The Driver Seat Module (DSM) is known to develop software glitches across the 2020–2024 Aviator/Corsair/Explorer platform, causing the seat to not move to the correct programmed memory position . Lincoln’s fix (per Special Service Message 51406, issued for Corsair but describing the same shared module) is a dealer reprogram of the DSM software. However, this did nothing to improve the problem. …”

NHTSA complaint #11764001, filed 2026-09

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
202516%
2024457%
2023417%
2022612%
2021718%
20202422%
200512%
200456%
200344%

Other parts of the 2021 Lincoln Aviator

Electrical system
12 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsEngine
6 complaintsFuel system
5 complaintsBrakes
4 complaintsSeats
4 complaintsBody and structure
4 complaintsTransmission and drivetrain
4 complaintsBack-over prevention (rear camera)
3 complaintsVehicle speed control
3 complaintsExterior lighting
2 complaintsForward collision avoidance
2 complaints

← All problems reported for the 2021 Lincoln Aviator

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology