Forward Collision Avoidance Problems of GMC Sierra 1500

The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving at various speeds, the driver's side seat vibrated, and the automatic high beam feature disengaged, and the lane change indicator became inoperable. The message " crash sensor system inoperable" was displayed. The dealer was notified of the failure and advised the contact to temporarily disconnect the battery. The contact followed the instruction; however, the failure recurred a day later. The vehicle was taken to the dealer, where it was diagnosed, and determined that there was a glitch in the crash sensor system. The dealer determined that the system needed to be updated. The vehicle was repaired out-of-pocket. The manufacturer was contacted and informed the contact that the failure was a maintenance issue, and the repair was at the owner's expense. The failure mileage was approximately 51,000.

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The contact owns a 2025 GMC Sierra 1500. The contact stated that while driving 75 mph with the cruise control activated, the vehicle failed to accelerate as intended while depressing the accelerator pedal, and the vehicle decelerated to 10 mph. In addition, the vehicle came to an abrupt stop independently. The contact’s upper body almost struck the front windshield. There was no warning light illuminated. The contact stated that shortly afterwards, the vehicle resumed driving normally at 75 mph; however, the failure reoccurred after a short distance. The vehicle failed to accelerate as intended while depressing the accelerator pedal and abruptly came to a stop. The vehicle then resumed driving normally. No warning lights were illuminated. The contact arrived at the residence, and the vehicle was towed to the dealer. The vehicle remained at the dealer awaiting a diagnostic test. The manufacturer was not made aware of the failure. The approximate failure mileage was 7,800.

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The contact owns a 2024 GMC Sierra 1500. The contact stated while driving 45 mph, the low fuel warning light, the forward collision avoidance warning light, the check engine warning light and other unknown warning lights were illuminated. The message "steering assist reduced" was displayed. The contact stated that the vehicle lost motive power. The contact was able to pull to the side of the road. The vehicle failed to restart and was towed to the dealer to be diagnosed, but the dealer could not determine the cause of the failure. The contact stated that the failure recurred while driving. The vehicle was towed to the dealer, where it was being diagnosed. The vehicle was not diagnosed or repaired. The contact related the failure to NHTSA action number: pe25001(engine, engine and engine cooling) and NHTSA campaign number: 25v274000(engine and engine cooling). The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 20,000.

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The contact owns a 2024 GMC Sierra 1500. The contact stated that while operating the vehicle the automatic emergency braking system had malfunctioned and the vehicle did not stop when needed. The contact stated that while driving at a low rate of speed the collision avoidance system had activated, but the automatic emergency braking system did not activate, causing the vehicle to crash into the rear of a second vehicle. During the crash not injuries were reported and no police report was taken. The cause of the failure was not determined. The local dealer was notified of the failure. The manufacturer was not yet contacted. The failure mileage was 500.

The contact owns a 2022 GMC Sierra 1500. The contact stated that upon starting the vehicle, the lane keep assist unavailable message was displayed. The dealer was notified of the failure but offered no assistance. The contact stated that the failure had caused other safety features to not operate as designed. The contact stated that the blind spot and forward collision avoidance feature failed to operate as needed. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 8,000.