Charge Port Door B Unlock Control Circuit Low
The charge port door B unlock control reports a circuit low condition. Door cannot be commanded to unlock reliably.
Affected components
- Charge port door b unlock actuator
- Wiring harness
- Bms
Common causes
- High likelihood: Unlock actuator failed
- Medium likelihood: Wiring fault
- 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
Related codes
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.