High Voltage Service Disconnect Circuit Low
The high-voltage service disconnect circuit reports a circuit low condition. Safe HV disconnection state cannot be verified.
Affected components
- Hv service disconnect switch
- Wiring harness
- Bms
Common causes
- High likelihood: Wire shorted to ground
- Medium likelihood: Switch shorted
- Low likelihood: Connector pins corroded - high contact resistance
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.