Subaru Outback (BR): Vehicle Dynamics Control - List of Diagnostic Trouble Code (DTC)

A: LIST

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

A: DTC C0021 FRONT RIGHT ABS SENSOR CIRCUIT OPEN OR SHORT

NOTE: For the diagnostic procedure, refer to "DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT". <Ref. to VDC(diag)-40, DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

B: DTC C0023 FRONT LEFT ABS SENSOR CIRCUIT OPEN OR SHORT

NOTE: For the diagnostic procedure, refer to "DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT". <Ref. to VDC(diag)-40, DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

C: DTC C0025 REAR RIGHT ABS SENSOR CIRCUIT OPEN OR SHORT

NOTE: For the diagnostic procedure, refer to "DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT". <Ref. to VDC(diag)-40, DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

D: DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT

DTC DETECTING CONDITION:

• Defective ABS wheel speed sensor (broken wire, input voltage too high)
• Defective harness connector

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

E: DTC C0022 FRONT RIGHT ABS SENSOR SIGNAL

NOTE: For the diagnostic procedure, refer to "DTC C0028 REAR LEFT ABS SENSOR SIGNAL". <Ref. to VDC(diag)- 43, DTC C0028 REAR LEFT ABS SENSOR SIGNAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

F: DTC C0024 FRONT LEFT ABS SENSOR SIGNAL

NOTE: For the diagnostic procedure, refer to "DTC C0028 REAR LEFT ABS SENSOR SIGNAL". <Ref. to VDC(diag)- 43, DTC C0028 REAR LEFT ABS SENSOR SIGNAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

G: DTC C0026 REAR RIGHT ABS SENSOR SIGNAL

NOTE: For the diagnostic procedure, refer to "DTC C0028 REAR LEFT ABS SENSOR SIGNAL". <Ref. to VDC(diag)- 43, DTC C0028 REAR LEFT ABS SENSOR SIGNAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

H: DTC C0028 REAR LEFT ABS SENSOR SIGNAL

DTC DETECTING CONDITION:

• Defective ABS wheel speed sensor signal (noise, irregular signal, etc.)
• Defective harness connector

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

I: DTC C0031 FR HOLD VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

J: DTC C0032 FR PRESSURE REDUCING VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

K: DTC C0033 FL HOLD VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

L: DTC C0034 FL PRESSURE REDUCING VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

M: DTC C0035 RR HOLD VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

N: DTC C0036 RR PRESSURE REDUCING VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

O: DTC C0037 RL HOLD VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

P: DTC C0038 RL PRESSURE REDUCING VALVE MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

Q: DTC C0061 NORMAL OPENING VALVE 1 MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

R: DTC C0062 NORMAL OPENING VALVE 2 MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

S: DTC C0063 NORMAL CLOSING VALVE 1 MALFUNCTION

NOTE: For the diagnostic procedure, refer to "DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION". <Ref. to VDC(diag)-47, DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

T: DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION

DTC DETECTING CONDITION:

• Defective harness connector
• Defective VDCH/U solenoid valve

TROUBLE SYMPTOM:

• ABS does not operate.
• EBD does not operate.
• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

U: DTC C0041 ECM

DTC DETECTING CONDITION:

Defective VDCCM&H/U

TROUBLE SYMPTOM:

• ABS does not operate.
• EBD does not operate.
• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

V: DTC C0041 PARAMETER SELECTION ERROR

DTC DETECTING CONDITION:

VDCCM parameter selection error

TROUBLE SYMPTOM:

• ABS does not operate.
• EBD does not operate.
• VDC does not operate.
• Hill start assist does not operate.

NOTE: When the VDCCM&H/U is replaced, this DTC may be stored.

W: DTC C0042 POWER SUPPLY VOLTAGE FAILURE

DTC DETECTING CONDITION:

Improper VDCCM&H/U power supply voltage

TROUBLE SYMPTOM:

• ABS does not operate.
• EBD may not operate.
• VDC does not operate.
• Hill start assist does not operate.

NOTE: Warning lights go off if voltage returns.

WIRING DIAGRAM:

X: DTC C0044 TCM COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal from TCM.

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

Y: DTC C0045 TCM MALFUNCTION

DTC DETECTING CONDITION:

Defective TCM

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

Z: DTC C0045 INCORRECT VDC CONTROL MODULE SPECIFICATIONS

DTC DETECTING CONDITION:

Different control module specification

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

NOTE: When parameter selection for VDCCM is improper, this DTC may be memorized.

AA:DTC C0046 BODY INTEGRATED MODULE COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal received from body integrated unit.

TROUBLE SYMPTOM:

• VDC may not operate.
• Hill start assist does not operate. (MT model only)

AB:DTC C0047 CAN COMMUNICATION

DTC DETECTING CONDITION:

CAN communication line circuit is open or shorted.

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AC:DTC C0048 PARKING BRAKE SYSTEM COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal from parking brake control module.

TROUBLE SYMPTOM:

• VDC may not operate.
• Hill start assist does not operate.

AD:DTC C0051 VALVE RELAY

DTC DETECTING CONDITION:

Defective valve relay

TROUBLE SYMPTOM:

• ABS does not operate.
• EBD does not operate.
• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AE:DTC C0052 MOTOR MALFUNCTION

DTC DETECTING CONDITION:

• Defective motor and motor relay
• Defective harness connector

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• EBD may not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AF:DTC C0054 BLS OFF MALFUNCTION

DTC DETECTING CONDITION:

Defective stop light switch

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AG:DTC C0054 BLS ON MALFUNCTION

DTC DETECTING CONDITION:

Defective stop light switch

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AH:DTC C0056 G SENSOR ABNORMAL

DTC DETECTING CONDITION:

Longitudinal G sensor signal failure

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

NOTE: For the diagnostic procedure, refer to "DTC C0056 G SENSOR SIGNAL". <Ref. to VDC(diag)-71, DTC C0056 G SENSOR SIGNAL, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

AI: DTC C0056 G SENSOR SIGNAL

DTC DETECTING CONDITION:

Longitudinal G sensor signal failure

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

AJ:DTC C0057 ECM COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal from ECM.

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

AK:DTC C0057 ECM CONTROL SYSTEM

DTC DETECTING CONDITION:

ECM malfunctioning

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

AL:DTC C0057 VDC INTERRUPTED DUE TO EGI REASON

DTC DETECTING CONDITION:

ECM prohibits the cooperation control.

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

NOTE:

• For the diagnostic procedure, refer to "DTC C0057 ECM CONTROL SYSTEM". <Ref. to VDC(diag)-74, DTC C0057 ECM CONTROL SYSTEM, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
• Warning lights go off if the cooperation control of ECM returns.

AM:DTC C0071 NO SIGNAL FROM STEERING ANGLE SENSOR

DTC DETECTING CONDITION:

Communication from steering angle sensor is faulty.

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AN:DTC C0071 STEER ANGLE SENSOR OP

DTC DETECTING CONDITION:

Steering angle sensor output is faulty.

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AO:DTC C0072 ABNORMAL YAW RATE SENSOR OUTPUT

DTC DETECTING CONDITION:

Defective yaw rate sensor

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AP:DTC C0073 LATERAL G SENSOR POWER/OUTPUT

NOTE: For the diagnostic procedure, refer to "DTC C0073 ABNORMAL LATERAL G SENSOR OUTPUT". <Ref. to VDC(diag)-84, DTC C0073 ABNORMAL LATERAL G SENSOR OUTPUT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

AQ:DTC C0073 ABNORMAL LATERAL G SENSOR OUTPUT

DTC DETECTING CONDITION:

Defective lateral G sensor

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

WIRING DIAGRAM:

AR:DTC C0074 MASTER CYLINDER PRESSURE SENSOR OUTPUT

DTC DETECTING CONDITION:

Defective pressure sensor

TROUBLE SYMPTOM:

• ABS does not operate.
• VDC does not operate.
• Hill start assist does not operate.

AS:DTC C0075 WHEEL CYLINDER PRESSURE SENSOR OUTPUT

DTC DETECTING CONDITION:

Different VDCCM&H/U specification

NOTE: When this DTC is displayed, replace the VDCCM&H/U. <Ref. to VDC-9, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U).>

AT:DTC C0081 SYSTEM FAILURE

DTC DETECTING CONDITION:

VDC long time sequential control

TROUBLE SYMPTOM:

• VDC does not operate.
• Hill start assist does not operate.

General Diagnostic Table

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