One problem related to transmission slip out of gear has been reported for the 2025 Chevrolet Silverado 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2025 Chevrolet Silverado 3500 based on all problems reported for the 2025 Silverado 3500.
Valve body failure. Truck is 6 months old. Just hit 37000 miles. Engine brake disengaged, check engine light, trailering option disabled, and would not shift out of 1st gear. Towed to dealership to be told valve body failed. Replacement part has been ordered and no eta on availability. Gm might need to buy my truck back!.