Hybrid Battery Pack Low Voltage
HV pack voltage falls below operating minimum during normal load, suggesting deeply discharged or damaged cell modules.
Affected components
- Hv battery
- Bms
Common causes
- High likelihood: Deep discharge of pack
- Medium likelihood: Cell module failure
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
- Reduced-power or limp mode may occur
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.