Chevrolet Blazer Complaints

289 consumer complaints on file.

#11706011December 19, 2025
ELECTRICAL SYSTEM
Telematics control module failure
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705228December 15, 2025
POWER TRAIN, ENGINE, VEHICLE SPEED CONTROL
For about a week and a half my car had made a high pitched wheezing/hubbing sound when started cold. This occurred at all temperatures cold and warm. Yesterday December 13th I went to run some errands and about a mile into my drive my 2021 3lt 3.6 V6 Chevrolet Blazer lost the ability to power itself. There was no electrical problem however the power train lost power all gears drive and reverse. I was able to get off the roadway without incident. I scan my check engine light and had several check engine lights including a P 0796.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705020December 15, 2025
STRUCTURE:BODY
2025 Chevy Blazer EV charging door frozen on the inside of door seal from snow storm
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11704928December 14, 2025
STRUCTURE:BODY, ELECTRICAL SYSTEM
Charging hatch door will not open. First noticed the problem when it got very cold here. <-15F Did not try to pry door open. Hatch needs to be reliable iin all weather. Happened December 13, 2025
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11703920December 9, 2025
ELECTRICAL SYSTEM
"Steering assist reduced" message was displayed. At the same time the temperature gauge stopped working and after I shut the car off, the motor fan ran full force for 10+ minutes. Shows no check engine light.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11703542December 7, 2025
POWER TRAIN, ENGINE, UNKNOWN OR OTHER
My 2021 Chevrolet Blazer experienced a radiator failure at approximately 42,000 miles. The radiator and cooling system malfunctioned, causing coolant loss and triggering a warning light on the instrument panel. The failed radiator is available for inspection upon request. This defect put my safety and the safety of others at risk because a compromised radiator can lead to engine overheating, sudden loss of power, or even steering assist reduction while driving. These conditions increase the likelihood of an accident, particularly at highway speeds. The problem was confirmed by my Chevrolet dealer, who diagnosed the radiator as needing replacement. They initially quoted $1,800, later reducing the cost to $915.90 after acknowledging that approximately 20 customers per month at their dealership alone are experiencing the same issue. This indicates the defect is widespread, at least regionally, and may be systemic across the model. The vehicle has been inspected by the dealer service department, which is an authorized GM representative. No police or insurance inspection has occurred. Prior to the failure, a warning lamp illuminated on the instrument panel, alerting me to a cooling system issue. This was the first symptom I noticed before bringing the vehicle in for service. I believe this premature radiator failure represents a systemic defect in the 2021 Chevrolet Blazer’s cooling system. It occurred well within the 5‑year/60,000‑mile warranty period, yet the dealer claimed the radiator is not covered. I am requesting NHTSA investigate this issue, as it appears to affect many owners and poses a significant safety risk.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11702777December 3, 2025
FUEL/PROPULSION SYSTEM
Driving along vehicle shut down in middle of road replace fuel pump, fuel module control in August 2025. Now both top and bottom fuel hose needs replacing. On Nov 2025 I smelled gas and vehicle shut down
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11701923November 28, 2025
SERVICE BRAKES
I have been waiting for months for my recall to be completed. My dealership has been waiting for the parts from GM and they still haven’t received them. I’m not sure when the recall was initially issued but I contacted the dealership about it as soon as I was aware of it. That’s how long I’ve been waiting. 1 Unrepaired Recalls associated with this VIN Jun 25,2025 Manufacturer Recall NumberN252503010 NHTSA Recall Number25V433 Recall StatusRecall Incomplete
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11701807November 27, 2025
VISIBILITY/WIPER
The visibity in sunlight is dangerously impaired with the reflection of the dashboard on the windshield . Hard to see and really distracting while driving .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11701484November 25, 2025
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
The auto emergency braking engaged while making a left turn. No cars in front. Had someone been behind me, they could have easily hit me. The seat belt locked as well resulting in being able to feel the seat belt inprint hours afterwards. This incident just happened on 11/24/25 and has not be inspected by any dealership or service center. There were no warning lights or messages prior to the incident.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11701205November 24, 2025
ENGINE, STEERING
In September 2023, when getting my vehicle serviced for a routine oil change, I was told there was a leak in my radiator. They replaced the entire thing under warranty. On November 15th, 2025, while driving on the highway heading home from out of town with my children, an error flashed up saying “steering assist is reduced – drive with care” Upon arriving home, the fan on my car was running on high for a solid 10 minutes after turning the car off. No recall but Special Coverage N252508350 covers the thermostat replacement. Upon inspection by a mechanic, I was informed that the radiator is also leaking again in the exact same spot as it was previously. It should be noted I have never seen leaking fluid in my garage/driveway. I’ve driven less than 10,000 miles since the radiator was replaced previously. If there is a known problem with the coolant system which can cause overheating and steering assist issues, why isn't the faulty radiator and thermostat recalled. The radiator is cased in plastic to aluminum. Plastic can easily catch fire if a car overheats. The casing also prevents an owner from even knowing if there is a leak since the plastic is catching leaks - the mechanic informed me that's why I didn't know about both times it leaked. This is a 4yr old car with 46k miles, twice replaced radiator and thermostat. A recall should be issued since both problems could potentially cause a fire from an overheated engine & loss of steering assist while driving. A google search quickly showed me thousands of other Chevy Blazers from 2019-2021 with reoccurring thermostat and radiator issues. I feel unsafe driving in my vehicle but still owe too much to even trade it in for something else. I've owned dozens of vehicles in my lifetime, used and new and keep them 8-10yrs and have never had to replace a thermostat and radiator. This vehicle is dangerous due to GM/Chevy's cheap radiator model and thermostat which could overheat and catch fire
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11700607November 20, 2025
AIR BAGS
The contact owned a 2021 Chevrolet Blazer. The contact stated that while driving at 30 MPH, a 2012 Mazda CX-7, allegedly going at 70 MPH traveled through an intersection and crashed into her vehicle. The Mazda later crashed into another unknown vehicle. All the air bags deployed; however, the driver's side air bag exploded in her face. The air bag dust was in the vehicle. The contact was rendered unconscious due to the incident. All the warning lights illuminated after the crash. OnStar was activated and disabled the vehicle. There were unknown fluids leaking from the vehicle. There was no reported fire. A police report was filed. The contact sustained a severe brain injury, and medical attention was provided at the hospital. The vehicle was towed to her residence. The insurance company later towed the vehicle on a flatbed to a tow lot. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The vehicle was deemed a total loss by the insurance agency. The failure mileage was approximately 36,463.
Crash:
Yes
Fire:
No
Injuries:
1
Deaths:
0
#11700596November 20, 2025
FORWARD COLLISION AVOIDANCE
The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed with no vehicles or objects nearby, the Forward Collision Avoidance system activated, and the Automatic Emergency Braking System engaged and brought the vehicle to a complete stop. Upon driving off, the vehicle then jerked and jolted. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer, who informed the contact that the vehicle functioned as intended during the time in the Service Center. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 20,000. The VIN was not available.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11700288November 19, 2025
FUEL/PROPULSION SYSTEM
Driving the vehicle when all of a sudden the engine shut off. All electrical systems continued to function. Luckily this occurred at low speed in a parking lot but had it happened at high speed on the freeway it could have been a huge safety risk. The vehicle was towed to a nearby automotive shop that diagnosed it as a bad fuel pump controller. There is an open GM recall that includes the 2021 Chevy Blazer (and a suite of other GM vehicles), but not the 2022 Chevy Blazer. I am concerned that the GM recall does not fully cover all of the vehicles that could be impacted by this issue. Date: September 11, 2025 Subject: N252516900 - Emission Recall Fuel Pump Power Control Module [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11699735November 17, 2025
POWER TRAIN
ON SEPTEMBER 10, 2025 THE TRANSMISSION FAILED FOR THE 3RD TIME WITHOUT WARNING. THIS TRANSMISSION ONLY LASTED ABOUT 5,500 MILES. WHEN IT FAILS, IT SIMPLY DOES SO WITHOUT WARNING. WHILE DRIVING IT WLL START SHUDDERING AND WHEN YOU STOP IT JUST WONT GO AFTER THAT. gm KNOWS THERE IS AN ISSUE WITH THESE 9 SPEED TRANSMISSIONS BECAUSE THEY ARE ON BACKORDER AND MY VEHICLE HAS BEEN IN THE SHOP FOR OVER TWO MONTHS WAITING ON PARTS. SINCE THIS IS THE 3RD FAILED TRANSMISSION UNDER WARRANTY, I CREATED A COMPLAINTWITH GM AND REQUESTED A BUY BACK BUT THEY REFUSED.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11699684November 16, 2025
FUEL/PROPULSION SYSTEM, ENGINE, ELECTRICAL SYSTEM
Car was running fine yesterday, today does not want to start. Thought it was the battery, bought anew battery. Still wouldn't start. Rest of cat is getting great power. Code reader is reading its a fuel pump control moduler which just so happens to be in an open recall for my exact year of vehicle yet my vin number does not pop up on the GMC website under active recall. I have a 2021 chevy blazer .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11699650November 16, 2025
UNKNOWN OR OTHER
Unknown…. Cut open my shin (leg) on the bottom corner of my driver’s door (black plastic side molding). That part is sharp! Required ER with 14 stitches on 9-24-25. As of today I’m still recovering.
Crash:
No
Fire:
No
Injuries:
1
Deaths:
0
#11699283November 13, 2025
VISIBILITY/WIPER, UNKNOWN OR OTHER
There's a glare from the dashboard that's reflecting on the windshield and causing an obstruction to road visibility.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11698231November 7, 2025
PARKING BRAKE
The contact owns a 2024 Chevrolet Blazer. The contact received notification of NHTSA Campaign Number: 25V433000 (Parking Brake). The vehicle was taken to the dealer and the contact was informed that the vehicle failed the recall inspection. The contact was informed that the vehicle would not be released because of the failed inspection. The contact was informed that the parts to repair the vehicle were not available and would not be available until January 2026. In addition, the contact stated that the vehicle had been with the dealer for two weeks. The contact stated that the recall notification indicated that the parts were available. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 34,865.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11697530November 4, 2025
AIR BAGS, SERVICE BRAKES, STRUCTURE:BODY
The car due to the parking brake system recall lost control, the brakes would not stop and caused the vehicle to crash into 2 parked cars, landing on top of the 2nd vehicle which was a pick up truck
Crash:
Yes
Fire:
No
Injuries:
1
Deaths:
0

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