What does code P2776 mean?

Q: What does code P2776 mean?

Upshift Switch Circuit Low. P2776 indicates that the transmission control module (TCM) has detected a low-voltage condition on the upshift switch circuit, which is part of the manual shift control system on automatic transmissions. The switch is used to command an upshift when the driver selects the manual mode, and a low circuit means the TCM sees a ground or short-to-ground on the signal line when it expects a voltage signal.

DTC codes / P27xx · Transmission / P2776

P2776Upshift Switch Circuit Low

P2776 indicates that the transmission control module (TCM) has detected a low-voltage condition on the upshift switch circuit, which is part of the manual shift control system on automatic transmissions. The switch is used to command an upshift when the driver selects the manual mode, and a low circuit means the TCM sees a ground or short-to-ground on the signal line when it expects a voltage signal.

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.