What does code P28CE mean?

Q: What does code P28CE mean?

Clutch A Pressure Sensor Circuit Low. P28CE is a generic powertrain code indicating that the transmission control module (TCM) or engine control module (ECM) has detected a low voltage condition on the signal circuit of clutch A pressure sensor. The sensor monitors hydraulic pressure in the clutch A circuit, and the computer expects a voltage within a specific range; a low reading means the signal is below the minimum threshold, which can affect shift quality and clutch engagement.

DTC codes / P28xx · Transmission / P28CE

P28CEClutch A Pressure Sensor Circuit Low

P28CE is a generic powertrain code indicating that the transmission control module (TCM) or engine control module (ECM) has detected a low voltage condition on the signal circuit of clutch A pressure sensor. The sensor monitors hydraulic pressure in the clutch A circuit, and the computer expects a voltage within a specific range; a low reading means the signal is below the minimum threshold, which can affect shift quality and clutch engagement.

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.