KnownCarProblemsHome › Chevrolet › Blazer › 2021
2021 Chevrolet Blazer Problems and Recalls
Owners filed 139 complaints with NHTSA about the 2021 Chevrolet Blazer, most often about the engine (32% of complaints, typically around 47,000 miles). It is 6th of 17 Blazer model years by number of complaints and has 1 recall.
Most common 2021 Chevrolet Blazer problems
Engine
45 complaints · 32%Half of these problems showed up before 47,000 miles. Parts named most often: cooling system.
The contact owns a 2021 Chevrolet Blazer. The contact stated that a technician identified a radiator leak during an emissions test after smelling an abnormal coolant odor. The technician confirmed that the coolant had leaked from the vehicle. Prior to the discovery by the technician, the contactâs husband observed…
The contact owns a 2021 Chevrolet Blazer. The contact stated that the check engine warning light was illuminated. The contact was unable to use the electrical features in the vehicle. The vehicle was taken to the local dealer, where it was diagnosed that the purge pump needed to be replaced. The vehicle was not…
Electrical
40 complaints · 29%Half of these problems showed up before 38,000 miles. Parts named most often: instrument panel, cybersecurity.
Odometer fraud. The contact purchased a 2021 Chevrolet Blazer. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 9,967, and at the time of registration, it was discovered that the mileage was approximately 38,000.
The contact owns a 2021 Chevrolet Blazer. The contact stated while driving 35 MPH, the ambient air temperature was stuck on negative forty. The contact replaced the sensor. The vehicle went into ice/snow mode on several occasions and was not driving as designed. The air conditioner was blowing out hot air.…
Other or unspecified
22 complaints · 16%Brakes
21 complaints · 15%Half of these problems showed up before 500 miles.
The contact owns a 2021 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle with several unknown warning lights illuminated. The contact stated that the electronic parking brake independently activated. Additionally, the failure had…
The contact owns a 2021 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed and making a turn, the vehicle lost braking functionality. The brake pedal was depressed to the floorboard. After exiting the vehicle, the contact became aware of a fluid leak underneath the vehicle. The "brake…
Fuel system
18 complaints · 13%The contact owns a 2021 Chevrolet Blazer. The contact stated that while the vehicle was parked, while attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to a dealer where it was diagnosed and determined that the fuel pump module needed to be replaced. The vehicle was not repaired. The…
Transmission
18 complaints · 13%Half of these problems showed up before 84,000 miles.
The contact owns a 2021 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, there was an abnormal roaring sound coming from the engine compartment. There was no warning light illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the transmission. The contact was…
The contact owns a 2021 Chevrolet Blazer. The contact stated that while her husband was driving 60 MPH, the "service engine soon" message was displayed. The contact's husband pulled over to the side of the road. The contact's husband used his personal fixd machine to diagnose the vehicle. The contactâs husband…
Steering
15 complaints · 11%The contact owned a 2021 Chevrolet Blazer. The contact stated while driving 69-70 MPH, the steering wheel strongly pulled to the left side and into the roadway median. There was no warning light illuminated. The contact stated that the vehicle hit the median and bounced, facing incoming traffic. The contact slammed on…
Driver assistance
10 complaints · 7%Parts named most often: automatic emergency braking, warnings, assist, crash imminent braking.
The contact owns a 2021 Chevrolet Blazer. The contact stated that while stopped at a railroad track, the vehicle independently stopped and went into crash mode while on the railroad tracks upon acceleration. The contact shifted the vehicle into reverse and then into park. Once the vehicle was placed into drive, the…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2021 Chevrolet Blazer recalls
Seat belts: critical fasteners
Risk: If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
Fix: Gm will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began january 29, 2021. Owners may contact gmc customer service at 1-800-462-8785, cadillac customer service at 1-800-458-8006, or chevrolet customer service at 1-800-222-1020. Gm's number for this recall is n202322230.
Full defect summary
General motors, llc (gm) is recalling certain 2020 chevrolet bolt EV and 2021 gmc canyon and sierra 1500, 2500 and 3500, yukon, yukon xl, cadillac escalade and escalade esv and chevrolet blazer, camaro, colorado, equinox, silverado 1500, 2500 and 3500, suburban and tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2021 Chevrolet Blazer
- What are the most common problems with the 2021 Chevrolet Blazer?
- By NHTSA owner complaints: engine (45 complaints, typically around 47,000 miles); electrical (40 complaints, typically around 38,000 miles); other or unspecified (22 complaints).
- How many recalls does the 2021 Chevrolet Blazer have?
- 1 recall listed by NHTSA, the latest from December 23, 2020 (seat belts). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2021 a bad year for the Chevrolet Blazer?
- It is 6th of 17 Blazer model years by number of complaints, with 139 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.