What does code P28D0 mean?

Q: What does code P28D0 mean?

Clutch A Pressure Sensor Circuit Range/Performance. P28D0 indicates that the powertrain control module has detected an out-of-range or erratic signal from the Clutch A pressure sensor circuit, which monitors hydraulic pressure in the clutch actuation system. The computer compares the sensor voltage against expected values for the current operating conditions and flags the code when the signal falls outside the valid range or fails a rationality check.

DTC codes / P28xx · Transmission / P28D0

P28D0Clutch A Pressure Sensor Circuit Range/Performance

P28D0 indicates that the powertrain control module has detected an out-of-range or erratic signal from the Clutch A pressure sensor circuit, which monitors hydraulic pressure in the clutch actuation system. The computer compares the sensor voltage against expected values for the current operating conditions and flags the code when the signal falls outside the valid range or fails a rationality check.

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.