What does code P2770 mean?

Q: What does code P2770 mean?

Torque Converter Clutch Circuit High. P2770 is a generic powertrain code indicating that the torque converter clutch (TCC) circuit has been detected as high by the transmission control module (TCM). The TCM monitors the voltage on the TCC solenoid control circuit and sets this code when the voltage exceeds the expected range, typically indicating a short to power or an open circuit in the control side.

DTC codes / P27xx · Transmission / P2770

P2770Torque Converter Clutch Circuit High

P2770 is a generic powertrain code indicating that the torque converter clutch (TCC) circuit has been detected as high by the transmission control module (TCM). The TCM monitors the voltage on the TCC solenoid control circuit and sets this code when the voltage exceeds the expected range, typically indicating a short to power or an open circuit in the control side.

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.