Chevrolet Silverado 1500 sudden acceleration problems

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 Sep 30, 2026 · Acceleration, Driver assistance · CO · crash

On XXX at ~3:00 p.m., I was driving my 2025 Chevrolet Silverado 1500 High Country (VIN [XXX]) in stop-and-go highway traffic with Super Cruise engaged. The vehicle ahead was a truck towing a low, empty flatbed trailer. My truck came to a complete stop behind the trailer. While stopped, with no accelerator input from me, the vehicle accelerated forward on its own and struck the rear of the flatbed before I could intervene. My foot was not on the accelerator. It appears the forward sensors may not have detected the low, unloaded trailer as an obstacle, so when the system resumed from the stop it accelerated into it. No injuries. The other vehicle had a steel rear plate and was undamaged; damage to my truck is estimated at $3,549.68. A vehicle that accelerates on its own from a complete stop into a stationary object ahead is a serious hazard. This was low-speed property damage only, but the same failure at higher speed, or with a pedestrian, cyclist, or child ahead, could cause death. I have an infant, and the thought of this happening with my child aboard is alarming. I am concerned that low-profile or unloaded trailers may not be reliably detected by the forward sensing system — a systemic limitation, not a one-time glitch. I ask the federal safety agency to review whether other GM/Super Cruise vehicles have experienced unintended acceleration from a stop or failure to detect low trailers. I notified GM (Chevrolet claim #XXX) and requested the vehicle's Event Data Recorder and Super Cruise/OnStar telematics be preserved. I am filing this so there is an independent safety record. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Apr 15, 2026 · Transmission · 81,600 miles · CA

The contact owns a 2022 Chevrolet Silverado 1500. While driving at an undisclosed speed, the vehicle experienced transmission failure. The contact stated that the transmission struggled while changing gears. Additionally, while shifted into drive(D), the vehicle lunged forward with much force. The contact stated that when the vehicle was first started, the vehicle operated normally; however, once the engine had warmed up, the failure occurred. The dealer was not notified of the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 81,600.

Filed Mar 26, 2026 · Transmission · 63,000 miles · NC

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving 20 MPH, the vehicle lunged forward while the accelerator pedal was depressed after the brake pedal was depressed. While the contact’s husband was driving approximately 78 MPH and attempting to accelerate, the transmission light drive(D) started flashing, and the transmission unexpectedly shifted to neutral(N). The driver was able to coast to the side of the road, depress the brake pedal, and wait for a while before continuing to drive. The vehicle was taken to the dealer to be diagnosed; however, there was no cause for the transmission failure found. The vehicle was repaired. The manufacturer was informed of the failure, and a case was opened. The manufacturer referred the contact to the federal safety agency Hotline to report the failure. The failure mileage was 63,000.

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 Sep 3, 2025 · Transmission · MI

Transmission shifts erratically, sometimes violently. It seems to shift through several gears within seconds. There is no warning lights or codes that appear. I was rolling in line to exit a parking lot, going less than a crawl, and transmission shifted. It sounded like I had been rear-ended and vehicle lunged forward. There was enough distance that I was able to avoid the vehicle that was in front of me.

Filed Aug 28, 2025 · Engine, Transmission · 56,000 miles · NC

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving off an off-ramp at approximately 40-60 MPH and depressing the brake pedal, the vehicle suddenly lost power and turned off. The contact restarted the vehicle to continue driving. The failure had occurred twice. The contact stated that while driving at various speeds and depressing the brake pedal, the brakes grabbed, causing the vehicle to lunge forward, decelerate, and then lunge forward again, before coming to a complete stop. The contact shifted to park(P) and then to drive(D) and continued driving. The check engine warning light was illuminated. The vehicle was taken to the dealer four times before receiving notification of the federal safety agency Campaign Number: 24V797000 (Power Train). The dealer was unable to determine the cause of the failure. The vehicle was taken to the dealer, and the recall repair was performed. The contact stated that one hour after the recall repair, the failure recurred with the check engine warning light illuminated. The dealer was informed of the failure; however, the vehicle was not diagnosed or repaired again. The manufacturer was informed of the failure. The manufacturer referred the contact to the dealer for assistance. The failure mileage was approximately 56,000.

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 Jul 9, 2025 · Engine · GA

I have a 2022 Chevrolet 1500 Trail Boss with the 6.2. Intermittingly when starting off at a red light or from a stopped position, when you press the gas pedal to go the engine will stall and then will suddenly pick back up after a second or two. This intermittingly issue makes it very dangerous when turning in front of oncoming traffic, or in a situation when sudden acceleration is needed. The motor ticks even at idle when running. Also, when you come to a stop at a redlight, the engine shuts off, when you release the brake to go, the auto start restarts the engine. On my truck, when the starter restarts the engine, the starter will not disengage. You have to put the truck in park, turn the switch off and manually restart the engine to make the starter quit spinning over. This problem is also intermitting. Sometimes it does it, sometimes it dont. I took my truck to Mike Bell Chevrolet twice in Carrollton Georgia, where I bought it. The first time I took it to them was 2-10-25, it was for the starter hanging up in auto-start, they charged me $199.00 to do a diagnostic, told me they could not replicate the issue. Then I took it back to Mike Bell Chevrolet on 7-2-2025 after my wife had called the service department and told them that the engine stalls sometimes when starting off, the woman at Mike Bell said that this is one of the symptoms of the recall on my truck. She said we need to bring it in. They called me back and said they could not get it to replicate the issue and wanted to charge me another $399.00 for checking it. We refused to pay this because it is an active recall and we were advised to bring it in. If this engine stalls in traffic, I want it documented that the engine intermittingly stalls when starting off sometimes in case there is an accident.

Filed Jun 25, 2025 · Engine · CA

Component that failed Lifter failure causing camshaft damage. I was driving my truck at the time the engine failure and loss of propulsion. The problem was later linked to lifter failure. Car started to lose power and surge forward while I was in oncoming traffic. I pulled over and had my truck towed to the Jamestown Chevy Dealership. I have had all of my services done at the certified Chevrolet dealership. Their professional diagnosis was lifter problem with camshaft damage. The vehicle was inspected by mechanics at Sierra Motors in Jamestown Ca. No prior warning to the vehicle failure. Once the truck lost propulsion and was surging the check engine light and road traction light came on.