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DTC codes / P28xx · Transmission / P28D6

P28D6Clutch B Motor Driver Current/Temperature Too High

P28D6 indicates that the transmission control module (TCM) has detected the clutch B actuator motor driver circuit operating with excessive current draw or excessive temperature. The TCM monitors the driver circuit for overcurrent and the motor driver for overheating, and it sets this code when either condition exceeds a calibrated threshold.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyProfessional
AreaTransmission

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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