What does code P28DB mean?

Q: What does code P28DB mean?

Clutch B Motor Position Sensor Circuit Range/Performance. P28DB indicates that the powertrain control module (PCM) has detected an out-of-range or performance fault in the electrical circuit for the Clutch B motor position sensor. This sensor reports the exact position of the clutch actuator motor, and the PCM uses that signal to manage clutch engagement and disengagement. The code sets when the sensor voltage or signal pattern falls outside the expected range for the current operating conditions.

DTC codes / P28xx · Transmission / P28DB

P28DBClutch B Motor Position Sensor Circuit Range/Performance

P28DB indicates that the powertrain control module (PCM) has detected an out-of-range or performance fault in the electrical circuit for the Clutch B motor position sensor. This sensor reports the exact position of the clutch actuator motor, and the PCM uses that signal to manage clutch engagement and disengagement. The code sets when the sensor voltage or signal pattern falls outside the expected range for the current operating conditions.

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.