NHTSA Complaint #11685066 — 2024 CHEVROLET 3500HD

The contact owns a 2024 Chevrolet Silverado 3500HD. The contact stated that while driving at various speeds, the vehicle jerked, with the check engine and several other unknown warning lights illuminated. The vehicle was taken to the dealer; however, no cause for the failure was found. The contact stated that an unknown part was replaced. The contact stated that on a separate occasion, while driving at various speeds, the vehicle jerked and failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light and several other unknown warning lights were illuminated. The vehicle was taken to the dealer; however, no cause for the failure was found. The contact stated that the sensor kit and fuel level sensor were replaced; however, the failure persisted. The contact stated that on a separate occasion, the check engine warning light illuminated. The vehicle was taken to a different dealer, ValMark Chevrolet in New Braunfels, TX, where it was diagnosed that the engine control module, gateway module, service brake light and steep sensor had failed. The shaft sensor, gasket, and passenger’s side rear axle were replaced. The dealer test-drove the vehicle and informed the contact that the codes were cleared. Afterward, the contact was informed that the codes were not reset. Most recently, an abnormal sound was coming from the drive line between one and nine miles per hour, intermittently. The vehicle was not diagnosed or repaired after the most recent failure. The contact informed the dealer that the air bag warning light was illuminated. The dealer diagnosed that the overhead console needed to be replaced. The vehicle was replaced. The driver's seat frame seized and was replaced. The contact stated that the lights across the dashboard were flashing. Most recently, while the contact's husband was driving at various speeds, the transmission failed to function as intended. The vehicle was taken to the dealer, where it was diagnosed with transmission failure. The transmission was replaced.