The Tesla is reflecting an error "DIR_a126" that is reducing the speed below the speed limit and with no rhyme or reason. Tesla services are not available and the problem is intermittent. Additionally, based on research it is found to not have consistent resolutions and reasonings
Engine & cooling
2020 Tesla Model 3 Engine problems
Owners have filed 2 complaints about the 2020 Tesla Model 3's engine & cooling with NHTSA - 0% of all its complaints, most recently on July 7, 2024. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 2
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine complaints
I got a "power reduced dir_a126" error code that limited my speed to 55 mph. This is dangerous on the highway as 55 mph is significantly under 70 mph and cars were almost rear ending me.
Tesla Model 3 engine complaints by year
Model 3 engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data