What does code P28E7 mean?

Q: What does code P28E7 mean?

Shift Motor Position Sensor Circuit/Open. P28E7 indicates that the powertrain control module (PCM) has detected an open circuit or loss of signal from the shift motor position sensor, which is used to monitor the position of the shift motor in systems such as transfer cases or electronic shift mechanisms. The PCM expects a voltage signal within a specific range as the motor moves, and when the signal is missing or out of range, it sets this code and may disable the affected function.

DTC codes / P28xx · Transmission / P28E7

P28E7Shift Motor Position Sensor Circuit/Open

P28E7 indicates that the powertrain control module (PCM) has detected an open circuit or loss of signal from the shift motor position sensor, which is used to monitor the position of the shift motor in systems such as transfer cases or electronic shift mechanisms. The PCM expects a voltage signal within a specific range as the motor moves, and when the signal is missing or out of range, it sets this code and may disable the affected function.

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.