DTC codes / P2Exx · Hybrid propulsion / P2E9B
P2E9B indicates that the vehicle's charge port door control module has detected an abnormally high voltage on the position sensor circuit for the charge port door's B side, which is typically the sensor that confirms the door is fully open or fully closed. The circuit is expected to operate within a specific voltage range, and a high reading usually means the signal wire is shorted to power, the sensor ground is lost, or the sensor itself has failed.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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