Mar 10, 2021 · GM is launching a "customer satisfaction program" to address ninety-eight 2021 Silverado and Sierra, which have 8-speed transmissions that are certified duds.

Apr 25, 2025 · Decode your GM Truck with RPO Codes: detailed explanations, features, and specifications. Your key to understanding vehicle options.

Nov 13, 2024 · GM Rear Wheel Lock-Up Recall – Nature of the Defect The issue arises from the transmission control valve in certain GM diesel-powered vehicles. Over time, this component can …

Nov 14, 2023 · Some RPO codes are 1500, 2500, and 3500 specific. Others are Silverado model-specific. For that reason, we’ve split these listings up by 1500, 2500 HD & 3500 HD. 2024 Chevrolet …

Dec 18, 2025 · Explore GMC's world of precision and power: in-depth reviews, latest models, and news. Your ultimate guide to everything GMC

Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, …

Sep 24, 2023 · The engines, transmissions, and drivetrains have been designed and built to offer industry leading durability and performance in the most demanding applications.

chevrolet.com Review this quick reference guide for an overview of some important features in your Chevrolet Silverado 1500. Some equipment described in this guide may not be included in your …

gmc.com Review this quick reference guide for an overview of some important features in your GMC Sierra 1500. Some equipment described in this guide may not be included in your vehicle. Contact …

Mar 15, 2021 · In a memo sent to dealers this morning, General Motors outlined a significant change in the 2021 5.3L L82/L84 engines that feature AFM and DFM. Due to a worldwide shortage of semi …