*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Forward collision avoidance › Automatic emergency braking
The contact owns a 2025 Chevrolet Blazer. The contact stated that the vehicle experienced repeated phantom braking while driving at various speeds. The contact stated that the automatic emergency braking system activated erroneously. The automatic emergency braking system was deactivated to prevent the failure; however, after a software update at the dealer during a radio repair, the feature automatically activated. After the update, the phantom braking reoccurred on several occasions. The contact had successfully disabled the feature again but remained concerned that the system might activate unexpectedly while turned off. The failure mileage was approximately 10,000.
Sep 7, 2026 · 10,000 milesUnknown or other
I am concerned about a significant safety issue with my 2025 Chevrolet Blazer EV. On at least four separate occasions, the vehicle has unexpectedly applied extremely hard Rear Automatic Braking while I was backing up, despite there being no object, vehicle, person, or obstacle behind the vehicle. The braking is so abrupt and forceful that it feels as though the vehicle has collided with something. Because the driver is typically looking over their shoulder while reversing, the sudden stop causes a violent jolt. This has resulted in neck pain and headaches for me and my son on multiple occasions. One of these incidents also occurred while my son was driving the vehicle. We discussed the…
Jan 17, 2026Forward collision avoidance › Automatic emergency braking
While backing into parking at a Humble Cow ice cream place. My 2025 Chevy Blazer EV AWD slammed to a stop. I was going 4 mph my spouses head hit the head rest and caused severe pain and stress. We had to go to the emergency room for treatment. This has happened 6 other times 3 since having the required updates and replacement of modules that took several months to complete. She was given medication and lytocain patches for the trauma of her neck and head. She is now afraid to drive in my vehicle. I looked up the situation and found on Reddit and the internet that this is a known issue with Chevy and several other vehicles relating to their braking and eboost system. One work around is to…
Sep 12, 2026Forward collision avoidance › Automatic emergency braking
Attempting to merge into another lane today. Collision warning emergency breaking triggered and break checked the vehicle behind me. Almost caused me to be rear ended by the vehicle behind me.
Jul 14, 2026Service brakesCrash1 injury
I was driving down a road. Vehicle slammed on the brakes and then accelerated in it own causing me to hit a guardrail.
Jun 18, 2026Electrical system
See attached document for complaint.
Mar 19, 2026Service brakes
This is now the second report from this vehicle with similar issues. This incident happened when in reverse with nothing behind me, the vehicle slammed on its brakes. No audible warning in the vehicle and nothing showing on the dashboard. The vehicle just applied emergency braking. This was a witnessed event.
May 6, 2026Forward collision avoidance
The contact owns a 2025 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, the Forward Collision Avoidance system activated while there were no objects or persons in front of the vehicle. The failure reoccurred on several occasions. The Forward Collision Avoidance warning light illuminated, and the message "Approaching Person" was displayed. The vehicle was towed to a dealer to be diagnosed; however, the failure was not duplicated. The vehicle was not diagnosed or repaired. The vehicle was taken back to the dealer to be diagnosed; however, the dealer was unable to duplicate the failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of…
Aug 22, 2024 · 4,100 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.