DTC codes / P27xx · Transmission / P2757
P2757 indicates that the powertrain control module has detected a performance fault in the torque converter clutch pressure control solenoid circuit, meaning the solenoid is not controlling hydraulic pressure as commanded or is stuck in the off position. The computer monitors the electrical circuit and the resulting hydraulic response, and it sets this code when the actual pressure or clutch engagement does not match the expected value within a calibrated time window.
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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