Hybrid/EV Battery System Current Unstable
The HV battery system current reports a current unstable condition.
Affected components
- Hv battery system current sensor
- Bms
Common causes
- High likelihood: Load oscillation
- Medium likelihood: Sensor signal noisy
- Low likelihood: Pack cell imbalance approaching service threshold
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.