General Motors has released a Service Update for select units of the 2022-2023 GMC Hummer EV for a series of software updates. Service Update number N252502390 applies to certain units of the ...

The latest trims, features, and design updates for GMC’s 2026 SUV lineup, from the compact Terrain to the hulking Hummer EV ...

GM has issued a Service Update that applies to certain units of GMC full-size trucks and SUVs, including the Sierra, Yukon, and Yukon XL, which is related to an ECM software update. For GMC models, it ...