Hybrid Battery Pack Deterioration
The hybrid battery pack capacity or internal resistance has degraded beyond the diagnostic threshold. Performance and fuel economy fall as the pack ages.
Affected components
- Hv battery
- Battery energy control module
Common causes
- High likelihood: Battery pack aged
- Medium likelihood: Cell imbalance in pack
Possible symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.