The power hood (RPO AHV) (Fig. 1) on some 2022-2025 HUMMER; 2024-2026 Silverado EV, Sierra EV; and 2025-2026 ESCALADE IQ models may not close or cinch shut properly. There may […]

Some 2024-2026 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have an engine oil leak. In many cases, the oil leak may […]

There may be a no start condition on some 2025-2026 Equinox and Terrain models. In addition, the starter may click and there may be several DTCs set in the Engine […]

Some 2023-2025 Colorado and Canyon models may have a no start condition, a possible dead battery and multiple messages displayed on the Driver Information Center. There also may be several […]

The left or right rear upper body auxiliary lamp (Fig. 11) may not illuminate on some 2025-2026 ESCALADE IQ and ESCALADE IQL models. The upper body auxiliary lamp connector may […]

All 2018-2026 Silverado 1500, Sierra 1500; and 2019-2026 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks have stone guard protection applied to the lower painted surfaces that provides added defense against stone […]

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar covers installing the accessory puddle lamps on the ESCALADE […]

GM dealer support teams, including TAC, TCSC, DBC and others, will be going through training for the new flagship case management system OneCRM on July 7–18. We apologize for any […]