What does code P2B4E mean?

DTC codes / P2Bxx · Hybrid propulsion / P2B4E

P2B4EB Camshaft Position Actuator Position Sensor B Circuit High Bank 2

P2B4E indicates that the powertrain control module has detected an abnormally high voltage on the signal circuit for the Bank 2 B camshaft position actuator position sensor. The sensor reports the actual position of the camshaft phaser, and a high voltage reading usually means the signal wire is shorted to power or the sensor's internal electronics have failed.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.