Service update
Cadillac technical service bulletin N232429880 for 2023-2024 Cadillac Lyriq, 2024 GMC Hummer EV SUV and 2022-2023 GMC Hummer EV Pickup and others.
- Bulletin number
- N232429880
- Component
- Electrical system
- Summary
- Service update - certain vehicles may have a software defect that causes a diagnostic trouble code (DTC) to set. Dealers are to reprogram the battery energy control module.
Owners of these vehicles have filed 44 complaints in the electrical category.
Vehicles covered
- Cadillac Lyriq 2023-2024 20232024
- GMC Hummer EV SUV 2024 2024
- GMC Hummer EV Pickup 2022-2023 20222023
- Brightdrop Zevo 600 2023 2023
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