DTC codes / P2Cxx · Hybrid propulsion / P2CBC
P2CBC indicates that the powertrain control module (PCM) has detected the cooling fan designated as Fan 3 running faster than the commanded or expected speed for a calibrated period. The PCM monitors fan speed through a feedback signal and sets this code when the actual speed exceeds the commanded duty cycle or the maximum allowable threshold.
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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