AutoUtility currently tracks 212 official NHTSA owner defect complaints for the 2020 Chevrolet Blazer. Powertrain & Transmission issues are the most frequently reported category, appearing in 72 complaints (34% of submitted records). Among these NHTSA complaint records, 5 filings cite a crash, 6 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
72 owner complaints submitted to NHTSA ODI for this subsystem.
72 owner complaints submitted to NHTSA ODI for this subsystem.
67 owner complaints submitted to NHTSA ODI for this subsystem.
40 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
5 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"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..."
"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..."
"I was driving and steering reduced drive with caution notification and brake assist notification came on and then engine light and the temp gage went to cold and stayed there. My steering stiffened up making it hard to steer. This is a known problem with the Chevy blazers and it had to do with the..."
"I'm having an issue with the airbag light keep coming on when I drive at times not safe."
"The contact owns a 2020 Chevrolet Blazer. The contact stated that while driving approximately 70 MPH, the message, "Steering Assist Reduced - Drive Carefully” was displayed. The contact stated that the A/C shut off and the windshield defroster failed after the message was displayed. The vehicle was..."
Reported defect complaint volume across sibling model years (2019–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2019 Chevrolet Blazer | 185 | 4 | 2 | View 2019 Problems → |
| 2020 Chevrolet Blazer Current Page | 212 | 5 | 3 | Current |
| 2021 Chevrolet Blazer | 128 | 6 | 1 | View 2021 Problems → |
| 2022 Chevrolet Blazer | 47 | 2 | 1 | View 2022 Problems → |
| 2023 Chevrolet Blazer | 41 | 3 | 2 | View 2023 Problems → |
| 2024 Chevrolet Blazer | 42 | 5 | 1 | View 2024 Problems → |
| 2025 Chevrolet Blazer | 27 | 1 | 1 | View 2025 Problems → |
| 2026 Chevrolet Blazer | 0 | 0 | 0 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 55 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 30 | 0 | 0 | 1 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 29 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 27 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 16 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM | 10 | 0 | 0 | 0 | 0 |
| STEERING,ENGINE | 7 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 5 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 5 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,ENGINE | 5 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 4 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 4 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 4 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN | 4 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,ENGINE | 4 | 0 | 0 | 0 | 0 |
| STEERING,UNKNOWN OR OTHER | 4 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 3 | 2 | 0 | 2 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | 3 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 3 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| ENGINE,FORWARD COLLISION AVOIDANCE | 2 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SEAT BELTS,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,WHEELS | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| ENGINE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 1 | 0 |
| POWER TRAIN,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 1 | 0 | 0 | 0 |
| SERVICE BRAKES, HYDRAULIC,POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| STEERING,ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,WHEELS | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,WHEELS,SERVICE BRAKES | 1 | 1 | 0 | 1 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 2 | 0 |
| UNKNOWN OR OTHER,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2020 Chevrolet Blazer
In official NHTSA consumer records, the most frequently cited issue area for the 2020 Chevrolet Blazer is Powertrain & Transmission, appearing in 72 records (34% of submitted filings).
Secondary reported categories include Electrical System (72) and Engine & Cooling (67).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 212 consumer defect complaints and 3 safety recall campaigns for the 2020 Chevrolet Blazer.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2020 Chevrolet Blazer, 5 filings cite a crash, 0 cite smoke or fire, and 6 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.