2021 Lincoln Aviator problems & reliability
38 owner complaints filed with NHTSA for the 2021 Lincoln Aviator, alongside 28 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2021 Lincoln Aviator vehicles were involved in 2 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 11 | 29% |
| Engine | 6 | 16% |
| Unknown OR Other | 5 | 13% |
| Power Train | 4 | 11% |
| Structure | 4 | 11% |
| Visibility/wiper | 4 | 11% |
| Back Over Prevention | 3 | 8% |
| Fuel/propulsion System | 3 | 8% |
| Service Brakes | 3 | 8% |
| Vehicle Speed Control | 3 | 8% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“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 my car and claimed they did not feel the…”
Electrical System · filed Jul 17, 2026
“The contact owns a 2021 Lincoln Aviator. The contact received notification of NHTSA Campaign Number: 26V117000 (Visibility); however, the part to do the recall repair was unavailable. The dealer was contacted, and the contact was informed that parts would be available at the end of June 2026. The manufacturer was not…”
Visibility · filed Jul 15, 2026
“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 light illuminated, and the vehicle stalled…”
Fuel System, Gasoline · filed Jul 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Motive Power
Engineering Analysis EA23002 · opened Sep 29, 2023 · closed Oct 31, 2024 · led to recall 24V635
Technical service bulletins
255 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2021 Lincoln Aviator. The 10 most recent:
Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine, 2020-2026 Explorer vehicles equipped with a 3.3L hybrid engine, and 2020-2023 Lincoln Aviator vehicles equipped with a 3.0L EcoBoost hybrid engine…
SSM55059 · Service Bulletin/Repair Instructions · issued Aug 3, 2026
NEW VEHICLE DELIVERY HOLD - Emissions Recall 26E04 Certain 2021-2025 Model Year F-150, Maverick, Mustang, Ranger, Expedition, Bronco Sport, Explorer, Bronco, Navigator, and Aviator Vehicles Powertrain Control Module…
26E04 · Emissions · issued Jul 9, 2026
This article supersedes 25-2302. Reason for update: update the labor time allowance for F-150 vehicles, update the Parts list to replace the part number W716979-S439 with W721084-S439, and add a note for LV fluids…
TSB 26-2287 · Service Bulletin/Repair Instructions · issued Jun 18, 2026
Customer Satisfaction Program 26N09 Certain 2020 Model Year Escape, 2020-2021 Corsair, 2020-2021 Aviator, and 2020- 2021 and 2023 Explorer Vehicles Front Windshield Wiper Motor Replacement, if Required After Dealer…
26N09 · Other · issued Jun 11, 2026
For 2020 2026 vehicles equipped with the 10R60 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum…
SSM 54902 · Service Bulletin/Repair Instructions · issued Jun 5, 2026
Some 2020-2026 Explorer/Police Interceptor Utility/Aviator vehicles may require replacement of the front drive halfshaft inner/outer CV joint boot for various reasons. If Workshop Manual (WSM), Section 205-04 >…
SSM 54827 · Service Bulletin/Repair Instructions · issued May 15, 2026
Some 2020-2023 Aviator and 2025-2026 Explorer/Police Interceptor Utility hybrid vehicles may exhibit a "Refuel Error See Manual" message in the instrument panel cluster (IPC) after installing a replacement fuel filler…
SSM 54787 · Service Bulletin/Repair Instructions · issued Apr 29, 2026
Customer Satisfaction Program 23B64 Certain 2020-2024 Model Year Multiple Vehicle Lines Equipped with High Voltage Batteries Battery Energy Control Module (BECM) Software Update
23B64 · Other · issued Apr 8, 2026
Various 2020-2026 Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument…
SSM 54720 · Service Bulletin/Repair Instructions · issued Apr 2, 2026
Certain 2021 - 2022 Model Year Various Vehicles Engine Valve Inspection Test This submission includes : Technical Instructions Updated wording and description with additional photo.
24N12 S2 · Other · issued Mar 31, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2021 Lincoln Aviator has 28 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2021 Lincoln Aviator?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.