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DTC codes / P2Cxx · Hybrid propulsion / P2CBC

P2CBCFan 3 Overspeed

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.

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.

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