Battery Charging System A High Voltage Interlock Circuit Intermittent/Erratic
The HV interlock circuit of battery charging system A reports a intermittent/erratic condition. Safety interlock chain may be compromised.
Affected components
- Bcs a hv interlock
- Wiring harness
- Bms
Common causes
- High likelihood: Interlock connector not seated
- Medium likelihood: Vibration affects contact
- Low likelihood: Connector with intermittent contact under vibration
Diagnostic notes
- The malfunction indicator lamp may illuminate
- 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.