High Voltage System Interlock Circuit
The hybrid system detects loss of high-voltage interlock continuity. The interlock loop is a safety feature that disables HV power if any service connector is opened.
Affected components
- Hv interlock loop
- Hv service connector
- Hv battery
Common causes
- High likelihood: Service connector loose or damaged
- Medium likelihood: HV cable damaged
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.