High Voltage System Interlock Circuit High
The HV interlock signal voltage is above threshold, indicating short to battery or unexpected continuity loss.
Affected components
- Hv interlock loop
- Hv service connector
Common causes
- High likelihood: Short to battery on interlock
- Low likelihood: Connector pins corroded - high contact resistance
- Low likelihood: Supply wire pinched against B+ source
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.