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DTC codes / P2Bxx · Hybrid propulsion / P2B50
P2B50 indicates that the powertrain control module has detected a performance problem with the bank 2 camshaft profile actuator, specifically that the actuator is stuck in the off position or is not achieving the commanded profile change. The computer monitors the actuator's response to commands and sets this code when the actual camshaft position does not match the expected position within a calibrated time window.
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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