repaired · 2022 Q2
Visibility: glass, side/rear
Risk. If the window glass detaches while the vehicle is moving it could become a projectile, increasing the risk of a crash.
2021 Thor Motor Coach ACEProblems, recalls & complaints
NHTSA has logged 3 owner complaints about the 2021 Thor Motor Coach ACE, most often about the electrical system. It is covered by 1 safety recall, and for recall 20V-339 the manufacturer reports only 100% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 8, 2024. Updated daily.
Complaints by system
Where the 2021 Thor Motor Coach ACE has problems
3 complaints grouped by the system owners reported.
2Electrical system
1Engine
1Power train
1Suspension
1Vehicle speed control
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 2 | 0 |
| Engine | 1 | 0 |
| Power train | 1 | 0 |
| Suspension | 1 | 0 |
| Vehicle speed control | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
1 recall
2021 Thor Motor Coach ACE recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thor Motor Coach.
Best & worst years
2021 vs. every other ACE year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the ACE median. How we score
'11'12'13'14'15'16'17'18'19'20'21'22'23
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What ACE owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Air conditioner compressor wouldn't engage in rv. Called a mobile technician. Mobile technician found burnt and melted connectors on the control board. Technician stated the connectors used for 120v power were 12v crimp connectors and had burned and melted from the amperage. Technician stated that…
Returning home from trip, route US I26 in NC, heading down 6 degree hill lost all speed control. The following dash lights came on: ABS, Engine Service, the Wrench, anti sway control. We were able to roll to the side of the road just before an entrance ramp. There was no acceleration control.
Own a 2021 ACE?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.