P2E9F
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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Unlock actuator failedCommon
- Wiring faultPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Charge Port Door B Unlock Actuator
- Wiring Harness
- Bms
P2E9F is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.