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DTC codes / P2Bxx · Hybrid propulsion / P2B52
P2B52 means the engine computer has commanded the bank 2 'B' camshaft profile actuator to change valve timing or lift, but the measured response did not match the command, and the circuit or actuator is stuck in the off or default position. The powertrain control module (PCM) monitors the actuator's electrical circuit and the resulting camshaft position change, and it sets this code when the commanded profile change does not occur within the expected time or range.
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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