OBD
P2CCC
Hybrid/EV Battery Pack G Deterioration
What it means
P2CCC means Hybrid/EV Battery Pack G Deterioration.
Check these first
- Battery pack G capacity that has dropped below its limit
- Cell imbalance across battery pack G
- High internal resistance in pack G cells
- Age and heat cycling of battery pack G
What to do next
- Read battery pack G state of health on a scan tool
- Compare cell voltages across pack G
- Check pack G internal resistance
- Run a pack G capacity test
- Replace battery pack G if capacity stays below spec
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.