2020 CHEVROLET BLAZER — Problems, Recalls & Safety Data
5/5
Safety Rating
290
Owner Complaints
3
Recalls
46
Service Bulletins
0
Investigations
Overview of the 2020 CHEVROLET BLAZER
The 2020 CHEVROLET BLAZER has received a total of 290 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). It earned an overall safety rating of 5 out of 5 stars in NHTSA's New Car Assessment Program crash tests. There have been 11 recall campaigns affecting this vehicle, covering issues with TIRES, POWER TRAIN:AUTOMATIC TRANSMISSION. 46 technical service bulletins have been issued by General Motors, LLC for this model year. The most commonly reported problems involve the Power Train (64 complaints), Electrical System (59 complaints), and Engine (52 complaints).
Recalls for the 2020 CHEVROLET BLAZER
NHTSA has recorded 11 recalls for the 2020 CHEVROLET BLAZER, potentially affecting up to 267,933 vehicles.
Recall 21V115000 — TIRES
| 33,838 vehicles affected
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long...
Consequence: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at...
View full details →Recall 21V115000 — TIRES
| 33,838 vehicles affected
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long...
Consequence: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at...
View full details →Recall 20V668000 — POWER TRAIN:AUTOMATIC TRANSMISSION
| 194,105 vehicles affected
Defect: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Consequence: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service...
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Recall 20V446000 — AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
| 769 vehicles affected
Defect: General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air...
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300....
View full details →Owner Complaints for the 2020 CHEVROLET BLAZER
290 complaints have been filed with NHTSA for the 2020 CHEVROLET BLAZER. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Power Train | 64 | 0 | 0 | 2 | 0 |
| Electrical System | 59 | 0 | 0 | 0 | 0 |
| Engine | 52 | 1 | 0 | 2 | 0 |
| Unknown Or Other | 48 | 1 | 0 | 2 | 0 |
| Steering | 30 | 0 | 0 | 0 | 0 |
| Service Brakes | 6 | 1 | 0 | 1 | 0 |
| Suspension | 4 | 1 | 0 | 1 | 0 |
| Fuelpropulsion System | 3 | 1 | 0 | 2 | 0 |
| Tires | 3 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control | 3 | 0 | 0 | 0 | 0 |
| Wheels | 3 | 1 | 0 | 1 | 0 |
| Air Bags | 2 | 2 | 0 | 2 | 0 |
| Engine And Engine Cooling | 2 | 0 | 0 | 0 | 0 |
| Lane Departure Assist | 2 | 0 | 0 | 0 | 0 |
| Lane Departure Blind Spot Detection | 2 | 0 | 0 | 0 | 0 |
| Forward Collision Avoidance Adaptive Cruise Control | 1 | 0 | 0 | 0 | 0 |
| Forward Collision Avoidance Automatic Emergency Braking | 1 | 0 | 0 | 1 | 0 |
| Fuel System Gasoline | 1 | 0 | 0 | 0 | 0 |
| Power Trainautomatic Transmission | 1 | 0 | 0 | 0 | 0 |
| Seats | 1 | 1 | 0 | 0 | 0 |
| Service Brakes Hydraulic | 1 | 0 | 0 | 0 | 0 |
| Structurebody | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
The contact owns a 2020 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with VVT sensor failure. The sensors were replaced; however, the failure recurred. The vehicle was taken back to the mechanic, where a solenoid was replaced. The vehicle was repaired. The contact was informed that if the failure recurred, there might be an internal engine failure. The dealer was not contacted. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 70,000.
The contact owns a 2020 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with VVT sensor failure. The sensors were replaced; however, the failure recurred. The vehicle was taken back to the mechanic, where a solenoid was replaced. The vehicle was repaired. The contact was informed that if the failure recurred, there might be an internal engine failure. The dealer was not contacted. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 70,000.
Driving down the road at 50 mpg when to car just shut off had a hard time getting it off the road and did still was all the way we almost got hit three times
Engine showing PO128 code. Steering Assist System reduced power. Engine fan constantly running. Engine temp on dash is stuck on the "C" mark, doesn't move. Thermostat and temp sensor replaced, issue continues. THIS IS A VERY COMMON PROBLEM ON GM VEHICLES WITH THE 3.6L AROUND THE 60,000 MILE MARK. GM NEEDS TO GET IT FIGURED OUT.
Engine showing PO128 code. Steering Assist System reduced power. Engine fan constantly running. Engine temp on dash is stuck on the "C" mark, doesn't move. Thermostat and temp sensor replaced, issue continues. THIS IS A VERY COMMON PROBLEM ON GM VEHICLES WITH THE 3.6L AROUND THE 60,000 MILE MARK. GM NEEDS TO GET IT FIGURED OUT.
Safety Rating for the 2020 CHEVROLET BLAZER
The 2020 CHEVROLET BLAZER received an overall safety rating of 5 out of 5 stars from NHTSA's New Car Assessment Program (NCAP).
| Test Category | Rating |
|---|---|
| Overall Rating | ★★★★★ (5/5) |
| Frontal Crash | ★★★★★ (5/5) |
| Side Crash | ★★★★★ (5/5) |
| Rollover | ★★★★☆ (4/5) |
Safety ratings are based on controlled crash tests conducted by NHTSA. A 5-star rating indicates the highest level of occupant protection.
Technical Service Bulletins for the 2020 CHEVROLET BLAZER
General Motors, LLC has issued 46 technical service bulletins (TSBs) for the 2020 CHEVROLET BLAZER. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
PIE0782 — ENGINE AND ENGINE COOLING
This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
21-NA-118 — ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This technical bulletin provides a procedure to align the exhaust causing a vibration.
PIT5843B — LANE DEPARTURE
This Preliminary information communicates that a vehicle may come to the dealer with concerns of various warning messages, possibly the door locks cycling, passive entry inoperative or other concerns. The technician is instructed to inspect G401 for loose or missing terminals and to inspect G405.
PIT5921A — BACK OVER PREVENTION
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
PIE0720A — POWER TRAIN
This engineering information (EI) closure ends the need to gather further information from technicians in regards to Vehicle Will Not Move When in Drive, Neutral and/or Reverse and DTCs P0746, P0747 Set.
PIT5843A — LATCHES/LOCKS/LINKAGES:DOORS:LOCK
This Preliminary information communicates that a vehicle may come to the dealer with concerns of various warning messages, possibly the door locks cycling, passive entry inoperative or other concerns. The technician is instructed to inspect G401 for loose or missing terminals and to inspect G405.
PIT5847F — FUEL SYSTEM, GASOLINE
This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray,...
22-NA-085 — EQUIPMENT
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.
21-NA-038 — STRUCTURE
This technical bulletin provides repair information to correct a customer concern of a humming noise heard coming from front end of vehicle when driving at highway speeds.
21-NA-036 — ENGINE AND ENGINE COOLING
This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305.
Showing 10 of 46 technical service bulletins.
NHTSA Investigations for the 2020 CHEVROLET BLAZER
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the CHEVROLET BLAZER
- 2019 CHEVROLET BLAZER — 268 complaints
- 2020 CHEVROLET BLAZER (current)
- 2021 CHEVROLET BLAZER — 167 complaints
- 2022 CHEVROLET BLAZER — 52 complaints
- 2023 CHEVROLET BLAZER — 45 complaints
- 2024 CHEVROLET BLAZER — 45 complaints
- 2025 CHEVROLET BLAZER — 19 complaints
Other CHEVROLET Models
- CHEVROLET MALIBU — 28,991 total complaints
- CHEVROLET SILVERADO 1500 — 22,175 total complaints
- CHEVROLET IMPALA — 15,197 total complaints
- CHEVROLET TAHOE — 12,511 total complaints
- CHEVROLET EQUINOX — 12,135 total complaints
- CHEVROLET SILVERADO — 10,928 total complaints
- CHEVROLET SUBURBAN — 10,375 total complaints
- CHEVROLET COBALT — 10,106 total complaints