2020 Silverado 1500 duramax 3.0 1200 miles and check engine light with codes. I was 300 miles from home so glad it made it. Take to dealer and they tell me I cant drive it because of a failed master cylinder issue. Part is on unknown backorder.

- Hampstead, NC, USA

After having fog lights programed at the dealer, lost brake assist on the way home at last left turn and truck took longer to stop before the turn then normal on a city street speed about 45mph, check engine light came on checked codes at home found 4, P25A2 brake system control module requested mil illumination U0101 lost comm with tcm, U0100 lost comm with ECM/PCM and U0146 lost comm with gateway a. took to GM dealer and was told no problems found and codes were cleared.

- Suffolk, VA, USA

The contact owns a 2020 Chevrolet Silverado 1500. While the contact's wife was traveling through an intersection at an unknown rate of speed, the vehicle did not respond when the brake pedal was depressed. Also, the brake warning indicator illuminated. The contact took the vehicle to an independent mechanic and was informed not to drive the vehicle because the brakes were defective. The contact's wife attempted to drive the vehicle to a local dealer, but the brakes failed again. The vehicle was towed to herb chambers Chevrolet of danvers (90 andover St, MA-114, danvers, MA 01923) where the vehicle was inspected and the contact was provided a loaner vehicle. The manufacturer was notified of the failure and did not assist. The vehicle was repaired, but the contact did not feel comfortable driving the vehicle. The failure mileage was 738.

- Wakefield, MA, USA