What does code P28E6 mean?

Q: What does code P28E6 mean?

Shift Motor Overspeed. P28E6 indicates that the transmission control module (TCM) has detected the shift motor spinning faster than its commanded or expected speed during a shift event. The TCM monitors motor speed through a position or speed sensor and flags this code when the motor exceeds a calibrated threshold, often due to a mechanical fault or sensor error.

DTC codes / P28xx · Transmission / P28E6

P28E6Shift Motor Overspeed

P28E6 indicates that the transmission control module (TCM) has detected the shift motor spinning faster than its commanded or expected speed during a shift event. The TCM monitors motor speed through a position or speed sensor and flags this code when the motor exceeds a calibrated threshold, often due to a mechanical fault or sensor error.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

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.