2020 Chevrolet Blazer problems and complaints
Owners have filed 224 complaints with NHTSA about the 2020 Chevrolet Blazer. The most-reported areas: Electrical System (78), Power Train (75), Engine (71).
Key takeaways
- 224 owner complaints on file with NHTSA.
- 5 involve a crash, 1 a fire, 7 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 78 | 35% |
| Power Train | 75 | 33% |
| Engine | 71 | 32% |
| Unknown Or Other | 57 | 25% |
| Steering | 43 | 19% |
| Service Brakes | 11 | 5% |
| Lane Departure | 5 | 2% |
| Vehicle Speed Control | 4 | 2% |
| Fuel/Propulsion System | 4 | 2% |
| Suspension | 4 | 2% |
| Engine And Engine Cooling | 3 | 1% |
| Air Bags | 3 | 1% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2020 Chevrolet Blazer
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Chevrolet Blazer SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2020 Chevrolet Blazer SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System - filed 2026-10-22
Warning on console “Steering Assist is Reduced Drive with Care” and radiator fan turns on right away at full speed.. this has been reported in similar models and years.. but does not include this particular vehicle year and VIN
Steering,power Train,engine - filed 2026-10-22
2020 Chevy Blazer LT 3.6 L V6 I'm filing this complaint regarding multiple concerning mechanical and safety related issues with my 2020 Chevy Blazer LT that I purchased brand new and currently have 54,224 miles . Without warning, My vehicle developed several problems simultaneously. The check engine light came on, Th...
Electrical System - filed 2026-10-20
My 2020 Chevrolet Blazer experienced severe mechanical problems, including stuttering, loss of power, and the engine shutting off unexpectedly while I was driving. The vehicle subsequently would not operate normally. On February 25, 2026, Rick Hendrick Chevrolet Duluth performed a diagnostic inspection and recommended...
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More for the 2020 Chevrolet Blazer
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.