Certain units of the 2022-2024 GMC Hummer EV are included in a new Service Update from General Motors, which covers a fix for a battery energy control module issue. The Service Update applies to both ...
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 ...
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