Battery Charging System A High Voltage Interlock CircuitCircuit High
The HV interlock circuit of battery charging system A reports a circuit high condition. Safety interlock chain may be compromised.
Affected components
- Bcs a hv interlock
- Wiring harness
- Bms
Common causes
- High likelihood: Wire shorted to B+
- Medium likelihood: Pull-down resistor open
- 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.