Useful checks before replacing parts
- Review pack voltage data, block voltage readings, contactor state, state of charge, current flow, freeze-frame data, and related high-input codes.
- Inspect for short-to-voltage faults, open grounds, crossed sense wiring, corroded battery ECU terminals, water intrusion, and incorrect battery repairs.
- Compare reported voltage against redundant data or approved measurements before replacing battery or control components.
Related OBD-II codes
These nearby hybrid / ev entries can help compare wording and fault area. They may share the same verification status as the source database.