N242441450 just came out that applies to all 3.0 Duramax Diesels in California (2021 - 2024) (LM2 and LZ0)
Concern:
The issue is after an auto stop/start event, the vehicle may not restart. HUGE PROBLEM !!! The fix is simple, the dealers are to reprogram the ECM and all should be well.
Coverage:
"This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period."
It is suggested that you ask about this during your next service, if your dealership does not bring it up.
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