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Home >> Mitsubishi >> 2012 >> Lancer Evolution MR >> Repair and Diagnosis >> Brakes >> Traction Control >> Active Stability Control System (ASC) - Lancer Evolution >> Diagnosis >> Diagnostic Trouble Code Procedures >> DTC C121C: Torque Request Signal Rejection >> Circuit Operation

Circuit Operation

ASC-ECU sends the signal to the engine control module as necessary to decrease the engine output for ASC system operation.