2020 Chevrolet Blazer power train problems
72 owner complaints filed with NHTSA name the power train on the 2020 Chevrolet Blazer — 33% of all complaints for this model year.
What owners report
“The car is not sensing that it is in park when it is. When I place it in park and turn the car off it dings and says shift into park however it already is in park. Therefore the car will not turn off. I had to jiggle the shift or turn the car on, reverse then go forward then park to get it to…”
filed Aug 22, 2026
“Last year I was heading to heading to [XXX] in XXX when I pushed on the brakes on my 2020 Chevy blazer my brakes were working but the steering wheel was shaking weird like I was hard on the brakes but I was tapping them slowly earlier this year right before I had transmission flush at fox Chevy in…”
filed Jul 12, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Start/stop accumulator endcap may have missing boltsCampaign 20V668000 · Oct 29, 2020
Power Train problems in other Blazer years
| Year | Reports | Share |
|---|---|---|
| 2024 Blazer | 7 | 16% |
| 2023 Blazer | 10 | 24% |
| 2022 Blazer | 11 | 22% |
| 2021 Blazer | 18 | 14% |
| 2019 Blazer | 64 | 34% |
| 2004 Blazer | 4 | 8% |
| 2003 Blazer | 12 | 16% |
| 2002 Blazer | 33 | 13% |
| 2001 Blazer | 31 | 10% |
| 2000 Blazer | 84 | 14% |
| 1999 Blazer | 54 | 12% |
| 1998 Blazer | 74 | 10% |
Other reported problem areas on the 2020 Chevrolet Blazer
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.