Control Pilot Charging Ventilation Switch Circuit High
The control pilot charging ventilation switch reports a circuit high condition. Charging ventilation requirement signal compromised (used for indoor charging).
Affected components
- Control pilot ventilation switch
- Wiring harness
- Bms
Common causes
- High likelihood: Wire shorted to B+
- Medium likelihood: Switch open
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
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.