What does code P284C mean?

Q: What does code P284C mean?

Shift Fork D Stuck. P284C indicates that the transmission control module has detected a stuck condition in shift fork D, which is one of the moveable forks inside an automated manual or dual-clutch transmission that slides a gear sleeve to engage a gear. The computer commands the fork to move and monitors its position or the resulting gear engagement, and it sets this code when the fork fails to reach the commanded position or remains stuck in one position.

DTC codes / P28xx · Transmission / P284C

P284CShift Fork D Stuck

P284C indicates that the transmission control module has detected a stuck condition in shift fork D, which is one of the moveable forks inside an automated manual or dual-clutch transmission that slides a gear sleeve to engage a gear. The computer commands the fork to move and monitors its position or the resulting gear engagement, and it sets this code when the fork fails to reach the commanded position or remains stuck in one position.

SystemPowertrain

Code typeGeneric (all makes)

SeverityHigh

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.