Electrical complaints and recalls from NHTSA
Summary
The 2020 Chevrolet Blazer has 28 NHTSA electrical complaints and 0 electrical-related recalls.
28
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 9, 2026 | ELECTRICAL SYSTEM | Vehicle has shift to park light and will not turn off even with the shifter in the park position. |
| Jan 26, 2026 | ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | I received a check engine light which i took to Bell tire for diagnosis. Here is there diagnosis C... |
| Oct 28, 2025 | ELECTRICAL SYSTEM | I got into my vehicle and it said “steering assist reduced. Drive with care”. the A/C stops working ... |
| Oct 25, 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | Shift to park issue. Vehicle shifts into park but does not register as such. Therefore, the vehicl... |
| Oct 13, 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | When I try to park the car, it says shift to park. Sometimes I can’t get the car to go into park to ... |
| Oct 3, 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER | Vehicle thermostat would read cold while operating and the AC was not working. A message would popul... |
| Sep 4, 2025 | ELECTRICAL SYSTEM | SHIFT TO Park WARNING COMES ON WHEN CAR IS IN PARK, car electrical will not shut off until the shift... |
| Jul 30, 2025 | ELECTRICAL SYSTEM | After the vehicle has been put into parked and attempted to shut off, a message displays “Action Req... |
| Jul 1, 2025 | ELECTRICAL SYSTEM,ENGINE | Warning message indicating steering assist system reduced, engine fan running non-stop, AC blowing h... |
| Jun 9, 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER | Shift to park message began appearing even after the shifter knob was in park. I cannot turn the ve... |
| Jun 2, 2025 | ELECTRICAL SYSTEM,ENGINE | The contact owns a 2020 Chevrolet Blazer. The contact stated while driving approximately 45 MPH, the... |
| May 20, 2025 | ELECTRICAL SYSTEM | when you put your Blazer in Park you get the warning light and chime to 'shift it into park'. So far... |
| May 20, 2025 | ELECTRICAL SYSTEM | Almost every time I start the car up it asks me if the vehicle is a Demo. I will sign in as a user ... |
| May 12, 2025 | ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | To Whom It May Concern, I am writing to formally file a complaint regarding ongoing and persistent ... |
| Apr 15, 2025 | ELECTRICAL SYSTEM | I started receiving the message “steering assist reduced, drive with care” although I’ve noticed no ... |
| Mar 25, 2025 | ELECTRICAL SYSTEM | Thermostat failure. No a/c, no power steering, engine light on. |
| Jan 1, 2025 | ELECTRICAL SYSTEM | Shift to park message on display when car is already in park, preventing the car from turning off co... |
| Nov 18, 2024 | ELECTRICAL SYSTEM | When I parked and tried to turn off car it would continue to run. I had to put it in park and drive ... |
| Nov 12, 2024 | ELECTRICAL SYSTEM | We have experienced 2 issues that are very well known issues, I will list them here. First, is the S... |
| Sep 4, 2024 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | The original issue was that the temperature gauge was pegged on cold and the A/C was inoperative. Th... |