LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System (Diagnostics) >> List of Diagnostic Trouble Code (DTC) >> List

List of Diagnostic Trouble Code (DTC): List

DTC Item Content of diagnosis Reference
C1211 FRONT RIGHT ABS SENSOR CIRCUIT Open/high input of front ABS wheel speed sensor RH Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1211 FRONT RIGHT ABS SENSOR CIRCUIT .
C1212 FRONT RIGHT ABS SENSOR SIGNAL Front ABS wheel speed sensor RH signal malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1212 FRONT RIGHT ABS SENSOR SIGNAL .
C1221 FRONT LEFT ABS SENSOR CIRCUIT Open/high input of front ABS wheel speed sensor LH Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1221 FRONT LEFT ABS SENSOR CIRCUIT .
C1222 FRONT LEFT ABS SENSOR SIGNAL Front ABS wheel speed sensor LH signal malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1222 FRONT LEFT ABS SENSOR SIGNAL .
C1231 REAR RIGHT ABS SENSOR CIRCUIT Open/high input of rear ABS wheel speed sensor RH Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1231 REAR RIGHT ABS SENSOR CIRCUIT .
C1232 REAR RIGHT ABS SENSOR SIGNAL Rear ABS wheel speed sensor RH signal malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1232 REAR RIGHT ABS SENSOR SIGNAL .
C1241 REAR LEFT ABS SENSOR CIRCUIT Open/high input of rear ABS wheel speed sensor LH Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1241 REAR LEFT ABS SENSOR CIRCUIT .
C1242 REAR LEFT ABS SENSOR SIGNAL Rear ABS wheel speed sensor LH signal malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1242 REAR LEFT ABS SENSOR SIGNAL .
C1311 FR HOLD VALVE Front inlet solenoid valve RH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1311 FR HOLD VALVE .
C1312 FR PRESSURE REDUCING VALVE Front outlet solenoid valve RH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1312 FR PRESSURE REDUCING VALVE .
C1321 FL HOLD VALVE Front inlet solenoid valve LH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1321 FL HOLD VALVE .
C1322 FL PRESSURE REDUCING VALVE Front outlet solenoid valve LH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1322 FL PRESSURE REDUCING VALVE .
C1331 RR HOLD VALVE Rear inlet solenoid valve RH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1331 RR HOLD VALVE .
C1332 RR PRESSURE REDUCING VALVE Rear outlet solenoid valve RH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1332 RR PRESSURE REDUCING VALVE .
C1341 RL HOLD VALVE Rear inlet solenoid valve LH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1341 RL HOLD VALVE .
C1342 RL PRESSURE REDUCING VALVE Rear outlet solenoid valve LH malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1342 RL PRESSURE REDUCING VALVE .
C1351 NORMAL OPENING VALVE 1 Secondary cut valve malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1351 NORMAL OPENING VALVE 1 .
C1352 NORMAL OPENING VALVE 2 Primary cut valve malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1352 NORMAL OPENING VALVE 2 .
C1361 NORMAL CLOSING VALVE 1 Secondary suction valve malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1361 NORMAL CLOSING VALVE 1 .
C1362 NORMAL CLOSING VALVE 2 Primary suction valve malfunction in VDC Control Module & H/U Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1362 NORMAL CLOSING VALVE 2 .
C1411 ELECTRICAL CONTROL MODULE VDC control module malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1411 ELECTRICAL CONTROL MODULE .
C1412 SELECTED PARAMETER VDC control module parameter failure Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1412 SELECTED PARAMETER .
C1413 POWER SUPPLY VOLTAGE Power voltage malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1413 POWER SUPPLY VOLTAGE .
C1422 VDC INTERRUPTION FOR ENGINE CONVENIENCE VDC interrupted due to some reasons of the engine Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1422 VDC INTERRUPTION FOR ENGINE CONVENIENCE .
C1423 DIFFERENT ECU SPECIFICATIONS Different VDC control module specification Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1423 DIFFERENT ECU SPECIFICATIONS .
C1424 ECM Engine control module is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1424 ECM .
C1431 AT Transmission control module is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1431 AT .
C1511 VALVE RELAY Defective valve relay Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1511 VALVE RELAY .
C1521 MOTOR RELAY Motor relay malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1521 MOTOR RELAY .
C1531 BLS OFF STUCK Stop light switch malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1531 BLS OFF STUCK .
C1532 BLS ON STUCK Stop light switch malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1532 BLS ON STUCK .
C1571 BRAKE LAMP RELAY OFF STUCK Brake light relay malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1571 BRAKE LAMP RELAY OFF STUCK .
C1711 STEERING ANGLE SENSOR Steering angle sensor malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1711 STEERING ANGLE SENSOR .
C1721 YAW RATE SENSOR Defective yaw rate sensor Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1721 YAW RATE SENSOR .
C1732 LATERAL G SENSOR Defective lateral G sensor Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1732 LATERAL G SENSOR .
C1733 LONGITUDINAL G SENSOR Defective longitudinal G sensor Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1733 LONGITUDINAL G SENSOR .
C1741 PRESSURE SENSOR Defective pressure sensor Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1741 PRESSURE SENSOR .
C1742 WHEEL CYLINDER PRESSURE SENSOR Defective pressure sensor Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1742 WHEEL CYLINDER PRESSURE SENSOR .
C1811 SYSTEM System malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1811 SYSTEM .
C1921 PARKING POSITION SWITCH CIRCUIT Parking switch malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1921 PARKING POSITION SWITCH CIRCUIT .
C1923 AUTO VEHICLE HOLD SWITCH CIRCUIT Defective AVH switch Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1923 AUTO VEHICLE HOLD SWITCH CIRCUIT .
C1935 IGNITION SWITCH CIRCUIT No match of IGN input Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1935 IGNITION SWITCH CIRCUIT .
C1942 POWER SUPPLY VOLTAGE Electronic parking brake power supply voltage is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1942 POWER SUPPLY VOLTAGE .
C1951 ACTUATOR Electronic parking brake actuator line is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1951 ACTUATOR .
C1954 RH ACTUATOR Electronic parking brake RH actuator is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1954 RH ACTUATOR .
C1955 LH ACTUATOR Electronic parking brake LH actuator is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1955 LH ACTUATOR .
C1956 RH ACTUATOR CIRCUIT RH actuator circuit malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1956 RH ACTUATOR CIRCUIT .
C1957 LH ACTUATOR CIRCUIT LH actuator circuit malfunction Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1957 LH ACTUATOR CIRCUIT .
C1983 HIGH FREQUENCY OPERATION Electronic parking brake operation is too frequent Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1983 HIGH FREQUENCY OPERATION .
C1984 BRAKE MAINTENANCE MODE Executing brake maintenance mode Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1984 BRAKE MAINTENANCE MODE .
C1985 FORBIDDEN STATE OF DYNAMIC ACTUATOR OPERATION Electronic parking brake actuator is faulty Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1985 FORBIDDEN STATE OF DYNAMIC ACTUATOR OPERATION .
U0073 CONTROL MODULE COMMUNICATION BUS OFF Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF .
U0100 LOST COMMUNICATION WITH ECM/PCM "A" Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" .
U0101 LOST COMMUNICATION WITH TCM Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0101 LOST COMMUNICATION WITH TCM .
U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE .
U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE .
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE .
U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" .
U0402 INVALID DATA RECEIVED FROM TCM Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0402 INVALID DATA RECEIVED FROM TCM .
U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE .
U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE .
U0428 INVALID DATA RECEIVED FROM STEERING ANGLE SENSOR MODULE Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0428 INVALID DATA RECEIVED FROM STEERING ANGLE SENSOR MODULE .
U1235 LOST COMMUNICATION WITH EyeSight Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1235 LOST COMMUNICATION WITH EYESIGHT .
U1433 INVALID DATA RECEIVED FROM EyeSight Defective CAN communication Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1433 INVALID DATA RECEIVED FROM EYESIGHT .