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DTC codes / P28xx · Transmission / P2831

P2831Shift Fork A Position Circuit

P2831 indicates that the transmission control module (TCM) has detected an abnormal condition in the electrical circuit for Shift Fork A, which is used in dual-clutch or automated manual transmissions to engage and disengage gears. The TCM monitors the circuit for expected voltage or current and sets this code when the signal is out of range, indicating an open, short, or component fault.

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.

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