2023 Chevrolet Silverado 1500: sudden unintended acceleration

Filed Oct 20, 2026 · Brakes · 44,000 miles · MO · crash

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that while stopped at a traffic light on an incline, the brake pedal was depressed; however, the vehicle failed to operate as intended. The driver assist warning light illuminated. The vehicle independently accelerated and lunged forward, striking the preceding vehicle. The contact's vehicle pushed the preceding vehicle forward before coming to a stop. The vehicle was taken to the dealer, where the failure could not be duplicated. The failure mileage was approximately 44,000.

Filed Oct 8, 2025 · Acceleration, Brakes · 11,000 miles · VT · crash

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that while pulling into a parking space and turning the steering wheel to the right, the vehicle surged forward going up onto the curb, and the contact depressed the brake pedal; however, the vehicle failed to stop. The contact continued to depress the brake pedal however, the vehicle continued driving approximately 5-10 MPH. The contact shifted into neutral(N); however, it was too late, and the vehicle crashed into another parked vehicle before coming to a stop. The contact stated that during the failure, the braking system had malfunctioned while depressing the brake pedal. No injuries were reported. A Police report was filed at the scene. The vehicle was taken to the local dealer who was unable to determine the cause of the failure. The contact stated that one week before the failure, at almost the same spot, while driving at an undisclosed speed, the Forward Collision Avoidance warning light illuminated and remained illuminated without another vehicle being nearby. The contact turned off the vehicle, exited the vehicle and inspected the vehicle before re-entering and restarting the vehicle, and the Forward Collision Avoidance warning light remained illuminated. The contact turned and restarted the vehicle and the warning light was no longer illuminated. The manufacturer was notified of the failure. The failure mileage was approximately 11,000.

Filed Jul 25, 2025 · Engine · 26,000 miles · IL

The contact owns a 2023 Chevrolet Silverado 1500. The contact was notified of the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. While driving 55 MPH, the vehicle stalled with an unknown message displayed. Due to the failure, the vehicle was towed to the dealer. Several days later that the dealer informed the contact that a new engine had been ordered and the new engine was replaced. The contact stated that after retrieving the vehicle, there was an abnormal knocking sound coming from the vehicle. There was no warning light illuminated. The dealer was notified of the failure and an appointment was scheduled to have the vehicle serviced. The contact stated that while in a store parking lot, the vehicle failed to start after several attempts. Due to the failure, the vehicle was towed to the dealer where the mechanic discovered that a fuse connector was loose, causing the failure to start. The contact was also informed that the dealer failed to replace several screws and bolts back in place once the engine was replaced. The vehicle occasionally surged forward or hesitated while depressing the accelerator pedal, causing the contact to lose control of the vehicle while driving at various speeds. The manufacturer was made aware of the issues and the contact was informed that a refurbished engine was placed inside the vehicle and not a new engine as the dealer had stated. The vehicle remained with dealer due to safety concerns. The vehicle was not repaired. The failure mileage was approximately 26,000.

Filed Apr 1, 2025 · Transmission · TX

While accelerating from a traffic signal the transmission shifted very hard and caused the vehicle to suddenly lunge forward.

Filed Dec 26, 2023 · Acceleration · 2,000 miles · SC

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that the vehicle was experiencing unintended acceleration. The contact stated while pulling into his driveway and slightly depressing the accelerator pedal, the vehicle speed increased continuously. There was no warning light illuminated. The contact stated that he depressed the brake pedal and the vehicle responded as needed. The contact stated that the failure recurred several times while driving, and nearly caused a crash with another vehicle on one occasion. The vehicle was taken to the dealer several times; however, the dealer could not duplicate the failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 2,000.

Filed Jun 29, 2023 · IA

Vehicle experiences unexpected sudden acceleration, usually at low speeds. Engaging the brake will stop it.