Honda Civic manuals

Subaru Legacy Service Manual: List of diagnostic trouble code (dtc) list

DTC

Item

Content of diagnosis

Note

None

Without DTC

Normal

Subaru Select Monitor > INSPECTION

«Assist limitation» is displayed in the current data «EPS operating condition».

Assist limitation is performed due to overheat protection control.

STEERING Warning Light > STEERING WARNING LIGHT DOES NOT COME ON

“Overheating protection intervention history” in current data display shows 1 or more.

There are previous records of intervention to overheat protection control.

STEERING Warning Light > STEERING WARNING LIGHT DOES NOT COME ON

C2511

TORQUE SENSOR MAIN

Poor connector contact

Forgot to connect connector

Faulty torque sensor section circuit

Faulty torque sensor coil

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2511 TORQUE SENSOR MAIN

C2512

TORQUE SENSOR SUB

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2512 TORQUE SENSOR SUB

C2513

TORQUE SENSOR MUCH TOLERANCE

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2513 TORQUE SENSOR MUCH TOLERANCE

C2514

TORQUE SENSOR POWER SUPPLY

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2514 TORQUE SENSOR POWER SUPPLY

C2521

MOTOR MALFUNCTION

Poor connector contact

Forgot to connect connector

Harness open/short circuit

Motor open circuit

Power transistor shorted/open

Terminal power supply or ground short

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2521 MOTOR MALFUNCTION

C2522

RESOLVER SENSOR

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2522 RESOLVER SENSOR

C2531

CONTROL MODULE CPU

Faulty main unit of power steering control module

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2531 CONTROL MODULE CPU

C2532

CONTROL MODULE PERIPHERAL CIRCUIT

Faulty main unit of power steering control module

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2532 CONTROL MODULE PERIPHERAL CIRCUIT

C2533

CONTROL MODULE BOARD TEMPERATURE SENSOR

Faulty main unit of power steering control module

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2533 CONTROL MODULE BOARD TEMPERATURE SENSOR

C2541

VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR

Poor connector contact

Forgot to connect connector

Harness open/short circuit

VDC system failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR

C2543

ERROR PASSIVE

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2543 ERROR PASSIVE

C2544

Auto Start Stop SYSTEM

Auto Start Stop system failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2544 Auto Start Stop SYSTEM

C2545

EyeSight SYSTEM

EyeSight system failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2545 EyeSight SYSTEM

C2546

EyeSight VALUE

EyeSight system failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2546 EyeSight VALUE

C2547

EyeSight CHECK SUM

EyeSight system failure

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2547 EyeSight CHECK SUM

C2548

VEHICLE DYNAMICS CONTROL MODULE SYSTEM

VDC system failure

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2548 VEHICLE DYNAMICS CONTROL MODULE SYSTEM

C2551

POWER SUPPLY RELAY

Power supply voltage malfunction

Faulty relay contact

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2551 POWER SUPPLY RELAY

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"

U0122

LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

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

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"

U0416

INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE

U1120

LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL 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

U1469

INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE

Defective CAN communication

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1469 INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE

Inspection mode procedure
1. Start the engine.2. Idle the engine for five seconds or more.3. Operate the steering wheel from side to side.4. Reproduce the malfunction occurrence condition as much as possible. ...

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:

Dtc b27a5 front internal antenna open
DTC DETECTING CONDITION:When open circuit occurs in the harness between keyless access CM and front interior antenna.TROUBLE SYMPTOM:Keyless access system does not function. (when the access key is in the front area of the passenger room)CAUTION:For replacement procedure of keyless access CM, refer ...

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