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DTC codes / P28xx · Transmission / P28CD

P28CDClutch A Pressure Sensor Circuit/Open

P28CD indicates that the powertrain control module (PCM) has detected an open circuit or abnormal voltage in the clutch A pressure sensor circuit, which monitors hydraulic pressure in the clutch system. The PCM expects a specific voltage range from the sensor and sets this code when the signal is missing or out of range.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
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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