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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLVEHICLE DYNAMICS CONTROL SYSTEM (DIAGNOSTICS)LIST OF DIAGNOSTIC TROUBLE CODE (DTC)LIST
2014 Subaru Outback 2.5i, Standard Trans
List of Diagnostic Trouble Code (DTC): List
2014 Subaru Outback 2.5i, Standard TransSECTION List
| DTC | Detailed code | Item | Content of diagnosis | Reference |
|---|---|---|---|---|
| C0021 | 5045 | Front Right ABS Sensor Circuit Open or Short | Open/high input of front ABS wheel speed sensor RH | < Refer to DTC C0021 FRONT RIGHT ABS SENSOR CIRCUIT OPEN OR SHORT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0022 | 5049 5053 5057 5061 5065 |
Front Right ABS Sensor Signal | Front ABS wheel speed sensor RH signal malfunction | < Refer to DTC C0022 FRONT RIGHT ABS SENSOR SIGNAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0023 | 5044 | Front Left ABS Sensor Circuit Open or Short | Open/high input of front ABS wheel speed sensor LH | < Refer to DTC C0023 FRONT LEFT ABS SENSOR CIRCUIT OPEN OR SHORT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0024 | 5048 5052 5056 5060 5064 |
Front Left ABS Sensor Signal | Front ABS wheel speed sensor LH signal malfunction | < Refer to DTC C0024 FRONT LEFT ABS SENSOR SIGNAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0025 | 5047 | Rear Right ABS Sensor Circuit Open or Short | Open/high input of rear ABS wheel speed sensor RH | < Refer to DTC C0025 REAR RIGHT ABS SENSOR CIRCUIT OPEN OR SHORT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0026 | 5051 5055 5059 5063 5067 |
Rear Right ABS Sensor Signal | Rear ABS wheel speed sensor RH signal malfunction | < Refer to DTC C0026 REAR RIGHT ABS SENSOR SIGNAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0027 | 5046 | Rear Left ABS Sensor Circuit Open or Short | Open/high input of rear ABS wheel speed sensor LH | < Refer to DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0028 | 5050 5054 5058 5062 5066 |
Rear Left ABS Sensor Signal | Rear ABS wheel speed sensor LH signal malfunction | < Refer to DTC C0028 REAR LEFT ABS SENSOR SIGNAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0031 | 5019 | FR Hold Valve Malfunction | Front inlet solenoid valve RH malfunction in VDCCM&H/U | < Refer to DTC C0031 FR HOLD VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0032 | 5023 | FR Pressure Reducing Valve Malfunction | Front outlet solenoid valve RH malfunction in VDCCM&H/U | < Refer to DTC C0032 FR PRESSURE REDUCING VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0033 | 5018 | FL Hold Valve Malfunction | Front inlet solenoid valve LH malfunction in VDCCM&H/U | < Refer to DTC C0033 FL HOLD VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0034 | 5022 | FL Pressure Reducing Valve Malfunction | Front outlet solenoid valve LH malfunction in VDCCM&H/U | < Refer to DTC C0034 FL PRESSURE REDUCING VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0035 | 5021 | RR Hold Valve Malfunction | Rear inlet solenoid valve RH malfunction in VDCCM&H/U | < Refer to DTC C0035 RR HOLD VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0036 | 5025 | RR Pressure Reducing Valve Malfunction | Rear outlet solenoid valve RH malfunction in VDCCM&H/U | < Refer to DTC C0036 RR PRESSURE REDUCING VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0037 | 5020 | RL Hold Valve Malfunction | Rear inlet solenoid valve LH malfunction in VDCCM&H/U | < Refer to DTC C0037 RL HOLD VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0038 | 5024 | RL Pressure Reducing Valve Malfunction | Rear outlet solenoid valve LH malfunction in VDCCM&H/U | < Refer to DTC C0038 RL PRESSURE REDUCING VALVE MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0041 | 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5037 5038 5040 5041 5068 5069 5134 |
ECM | VDC control module malfunction | < Refer to DTC C0041 ECM , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5148 5149 |
Parameter Selection Error | VDC control module parameter selection failure | < Refer to DTC C0041 PARAMETER SELECTION ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0042 | 5000 5001 |
Power Supply Voltage Failure | Power voltage malfunction | < Refer to DTC C0042 POWER SUPPLY VOLTAGE FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0044 | 5137 5140 5142 |
TCM Communication Circuit | CAN communication failure of transmission control module | < Refer to DTC C0044 TCM COMMUNICATION CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0045 | 5144 | TCM Malfunction | Malfunction of transmission control module | < Refer to DTC C0045 TCM MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5146 | Incorrect VDC Control Module Specifications | Different VDC control module specification | < Refer to DTC C0045 INCORRECT VDC CONTROL MODULE SPECIFICATIONS , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0046 | 5155 | Body Integrated Module Communication Circuit | Body integrated module communication circuit | < Refer to DTC C0046 BODY INTEGRATED MODULE COMMUNICATION CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0047 | 5135 | CAN Communication | Improper CAN communication | < Refer to DTC C0047 CAN COMMUNICATION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0048 | 5156 | Parking Brake System Communication Circuit | Parking brake system communication circuit | < Refer to DTC C0048 PARKING BRAKE SYSTEM COMMUNICATION CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0049 | 5151 5152 |
Cruise Controller Abnormal | CRUISE controller communication error | < Refer to DTC C0049 CRUISE CONTROLLER ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0051 | 5016 5017 5034 5036 |
Valve Relay | Valve Relay | < Refer to DTC C0051 VALVE RELAY , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0052 | 5039 5042 5043 5154 |
Motor Malfunction | Motor | < Refer to DTC C0052 MOTOR MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0054 | 5133 | BLS Off Malfunction | BLS OFF Malfunction | < Refer to DTC C0054 BLS OFF MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5153 | BLS On Malfunction | BLS ON malfunction | < Refer to DTC C0054 BLS ON MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0056 | 5102 5108 |
G Sensor Abnormal | G sensor failure | < Refer to DTC C0056 G SENSOR ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5103 5104 5105 5106 5107 5109 |
G Sensor Signal | G sensor signal | < Refer to DTC C0056 G SENSOR SIGNAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0057 | 5136 5139 5141 |
ECM Communication Circuit | CAN communication failure of engine control module | < Refer to DTC C0057 ECM COMMUNICATION CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5143 | ECM Control System | Coordinate control prohibition of engine control module | < Refer to DTC C0057 ECM CONTROL SYSTEM , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| 5145 | VDC Interrupted Due to EGI Reason | VDC interrupted due to EGI reason | < Refer to DTC C0057 VDC INTERRUPTED DUE TO EGI REASON , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0061 | 5027 | Normal Opening Valve 1 Malfunction | Secondary cut valve malfunction in VDCCM&H/U | < Refer to DTC C0061 NORMAL OPENING VALVE 1 MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0062 | 5026 | Normal Opening Valve 2 Malfunction | Primary cut valve malfunction in VDCCM&H/U | < Refer to DTC C0062 NORMAL OPENING VALVE 2 MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0063 | 5029 | Normal Closing Valve 1 Malfunction | Secondary suction valve malfunction in VDCCM&H/U | < Refer to DTC C0063 NORMAL CLOSING VALVE 1 MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0064 | 5028 | Normal Closing Valve 2 Malfunction | Primary suction valve malfunction in VDCCM&H/U | < Refer to DTC C0064 NORMAL CLOSING VALVE 2 MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0071 | 5121 5122 5123 5138 |
No Signal From Steering Angle Sensor | Steering angle sensor communication | < Refer to DTC C0071 NO SIGNAL FROM STEERING ANGLE SENSOR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5124 5125 5126 5127 5128 5129 5132 |
Steer Angle Sensor Op | Steering angle sensor output | < Refer to DTC C0071 STEER ANGLE SENSOR OP , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0072 | 5116 5117 5118 5119 5120 5131 |
Abnormal Yaw Rate Sensor Output | Yaw rate sensor output | < Refer to DTC C0072 ABNORMAL YAW RATE SENSOR OUTPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0073 | 5110 5114 |
Lateral G Sensor Power/Output | Lateral G sensor power supply/output | < Refer to DTC C0073 LATERAL G SENSOR POWER/OUTPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| 5111 5112 5113 5115 5130 |
Abnormal Lateral G Sensor Output | Lateral G sensor output | < Refer to DTC C0073 ABNORMAL LATERAL G SENSOR OUTPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > | |
| C0074 | 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 |
Master Cylinder Pressure Sensor Output | Master cylinder pressure sensor output | < Refer to DTC C0074 MASTER CYLINDER PRESSURE SENSOR OUTPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0075 | 5080 5081 5082 5083 5084 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5097 5098 5099 5100 5101 |
Wheel Cylinder Pressure Sensor Output | Wheel cylinder pressure sensor output | < Refer to DTC C0075 WHEEL CYLINDER PRESSURE SENSOR OUTPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| C0081 | 5147 | System Failure | System malfunction | < Refer to DTC C0081 SYSTEM FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.