What does code P2B43 mean?

DTC codes / P2Bxx · Hybrid propulsion / P2B43

P2B43A Camshaft Position Actuator Position Sensor B Circuit Bank 2

P2B43 indicates that the powertrain control module (PCM) has detected an abnormal electrical condition on the signal circuit for the bank 2 camshaft position actuator position sensor B. This sensor reports the actual position of the camshaft phaser, and the PCM sets the code when the voltage or signal behavior falls outside the expected range for the current operating conditions.

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.