What does code P2B4D mean?

DTC codes / P2Bxx · Hybrid propulsion / P2B4D

P2B4DB Camshaft Position Actuator Position Sensor B Circuit Low Bank 2

P2B4D indicates that the powertrain control module (PCM) has detected a low-voltage condition on the signal circuit for the Bank 2 B camshaft position actuator position sensor. This sensor reports the actual position of the camshaft phaser, and a low signal means the PCM cannot trust the feedback, so it may disable variable cam timing and set this code.

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.