Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: 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

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

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

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

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

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

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

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

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 VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1311 FR HOLD VALVE

C1312

FR PRESSURE REDUCING VALVE

Front outlet solenoid valve RH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1312 FR PRESSURE REDUCING VALVE

C1321

FL HOLD VALVE

Front inlet solenoid valve LH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1321 FL HOLD VALVE

C1322

FL PRESSURE REDUCING VALVE

Front outlet solenoid valve LH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1322 FL PRESSURE REDUCING VALVE

C1331

RR HOLD VALVE

Rear inlet solenoid valve RH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1331 RR HOLD VALVE

C1332

RR PRESSURE REDUCING VALVE

Rear outlet solenoid valve RH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1332 RR PRESSURE REDUCING VALVE

C1341

RL HOLD VALVE

Rear inlet solenoid valve LH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1341 RL HOLD VALVE

C1342

RL PRESSURE REDUCING VALVE

Rear outlet solenoid valve LH malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1342 RL PRESSURE REDUCING VALVE

C1351

NORMAL OPENING VALVE 1

Secondary cut valve malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1351 NORMAL OPENING VALVE 1

C1352

NORMAL OPENING VALVE 2

Primary cut valve malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1352 NORMAL OPENING VALVE 2

C1361

NORMAL CLOSING VALVE 1

Secondary suction valve malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1361 NORMAL CLOSING VALVE 1

C1362

NORMAL CLOSING VALVE 2

Primary suction valve malfunction in VDCCM&H/U

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1362 NORMAL CLOSING VALVE 2

C1411

ELECTRICAL CONTROL MODULE

VDC control module malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1411 ELECTRICAL CONTROL MODULE

C1412

SELECTED PARAMETER

VDC control module parameter failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1412 SELECTED PARAMETER

C1413

POWER SUPPLY VOLTAGE

Power voltage malfunction

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

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1422 VDC INTERRUPTION FOR ENGINE CONVENIENCE

C1423

DIFFERENT ECU SPECIFICATIONS

Different VDC control module specification

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1423 DIFFERENT ECU SPECIFICATIONS

C1424

ECM

Engine control module is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1424 ECM

C1431

AT

Transmission control module is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1431 AT

C1511

VALVE RELAY

Defective valve relay

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1511 VALVE RELAY

C1521

MOTOR RELAY

Motor relay malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1521 MOTOR RELAY

C1531

BLS OFF STUCK

Stop light switch malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1531 BLS OFF STUCK

C1532

BLS ON STUCK

Stop light switch malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1532 BLS ON STUCK

C1571

BRAKE LAMP RELAY OFF STUCK

Brake light relay malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1571 BRAKE LAMP RELAY OFF STUCK

C1711

STEERING ANGLE SENSOR

Steering angle sensor malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1711 STEERING ANGLE SENSOR

C1721

YAW RATE SENSOR

Defective yaw rate sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1721 YAW RATE SENSOR

C1732

LATERAL G SENSOR

Defective lateral G sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1732 LATERAL G SENSOR

C1733

LONGITUDINAL G SENSOR

Defective longitudinal G sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1733 LONGITUDINAL G SENSOR

C1741

PRESSURE SENSOR

Defective pressure sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1741 PRESSURE SENSOR

C1742

WHEEL CYLINDER PRESSURE SENSOR

Defective pressure sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1742 WHEEL CYLINDER PRESSURE SENSOR

C1811

SYSTEM

System malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1811 SYSTEM

C1921

PARKING POSITION SWITCH CIRCUIT

Parking switch malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1921 PARKING POSITION SWITCH CIRCUIT

C1922

HILL HOLD SWITCH CIRCUIT

Hill hold switch malfunction

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1922 HILL HOLD SWITCH CIRCUIT

C1935

IGNITION SWITCH CIRCUIT

No match of IGN input

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1935 IGNITION SWITCH CIRCUIT

C1942

POWER SUPPLY VOLTAGE

Electronic parking brake power supply voltage is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1942 POWER SUPPLY VOLTAGE

C1951

ACTUATOR

Electronic parking brake actuator line is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1951 ACTUATOR

C1954

RH ACTUATOR

Electronic parking brake RH actuator is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1954 RH ACTUATOR

C1955

LH ACTUATOR

Electronic parking brake LH actuator is faulty

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1955 LH ACTUATOR

C1956

RH ACTUATOR CIRCUIT

Defective RH drive circuit

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1956 RH ACTUATOR CIRCUIT

C1957

LH ACTUATOR CIRCUIT

Defective LH drive circuit

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1957 LH ACTUATOR CIRCUIT

C1971

CLUTCH SENSOR

Defective clutch sensor

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1971 CLUTCH SENSOR

C1983

HIGH FREQUENCY OPERATION

Electronic parking brake operation is too frequent

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1983 HIGH FREQUENCY OPERATION

C1984

BRAKE MAINTENANCE MODE

Executing brake maintenance mode

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

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1985 FORBIDDEN STATE OF DYNAMIC ACTUATOR OPERATION

U0073

CAN FAILURE, BUS ‘OFF’ DETECTION

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF

U0100

LOST COMMUNICATION WITH ECM/PCM "A"

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A"

U0101

LOST COMMUNICATION WITH TCM

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0101 LOST COMMUNICATION WITH TCM

U0126

LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE

Defective CAN communication

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

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

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

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

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

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

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

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

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1235 LOST COMMUNICATION WITH EyeSight

U1433

INVALID DATA RECEIVED FROM EyeSight

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1433 INVALID DATA RECEIVED FROM EyeSight

Inspection mode procedure
1. VDC SYSTEM1. Delete the DTC.2. Drive the vehicle at least ten minutes. (Reproduce nearly the same condition as occurred when the DTC was recorded.)NOTE:Make sure the vehicle is not dragged to one s ...

Read diagnostic trouble code (dtc) operation
1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System Check».4. O ...

Other materials:

Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Select Monitor 4, refer to “Application help”.2. GENERAL TO ...

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