LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Power Steering System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Steering System DTCS

POWER STEERING SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION

DTC Item Content of diagnosis Note
None Without DTC Normal <Ref. to WITHOUT DTC , INSPECTION, Subaru Select Monitor.>
"Assist limitation" is displayed in the current data «EPS operating condition». Assist limitation is performed due to overheat protection control. <Ref. to POWER STEERING ASSIST DISABLED , STEERING WARNING LIGHT DOES NOT COME ON, STEERING Warning Light.>
"Overheating protection intervention history" in current data display shows 1 or more. There are previous records of intervention to overheat protection control. <Ref. to POWER STEERING ASSIST DISABLED , STEERING WARNING LIGHT DOES NOT COME ON, STEERING Warning Light.>
C2511 Torque Sensor Main
  • Poor connector contact
  • Forgot to connect connector
  • Faulty torque sensor section circuit
  • Faulty torque sensor coil
 <Ref. to DTC C2511 TORQUE SENSOR MAIN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2512 Torque Sensor Sub <Ref. to DTC C2512 TORQUE SENSOR SUB , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2513 Torque Sensor Much Tolerance <Ref. to DTC C2513 TORQUE SENSOR MUCH TOLERANCE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2514 Torque Sensor Power Supply <Ref. to DTC C2514 TORQUE SENSOR POWER SUPPLY , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
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
 <Ref. to DTC C2521 MOTOR MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2522 Resolver Sensor <Ref. to DTC C2522 RESOLVER SENSOR , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2531 Control Module CPU Faulty main unit of power steering control module <Ref. to DTC C2531 CONTROL MODULE CPU , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2532 Control Module Peripheral Circuit Faulty main unit of power steering control module <Ref. to DTC C2532 CONTROL MODULE PERIPHERAL CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2533 Control Module Board Temperature Sensor Faulty main unit of power steering control module <Ref. to DTC C2533 CONTROL MODULE BOARD TEMPERATURE SENSOR , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2541 Vehicle Dynamics Control Module Vehicle Speed Sensor
  • Poor connector contact
  • Forgot to connect connector
  • Harness open/short circuit
  • VDC system failure
 <Ref. to DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2543 Error Passive Defective CAN communication <Ref. to DTC C2543 ERROR PASSIVE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2545 EyeSight System EyeSight system failure <Ref. to DTC C2545 EYESIGHT SYSTEM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2546 EyeSight Value EyeSight system failure <Ref. to DTC C2546 EYESIGHT VALUE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2547 EyeSight Check Sum
  • EyeSight system failure
  • Defective CAN communication
 <Ref. to DTC C2547 EYESIGHT CHECK SUM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2548 Vehicle Dynamics Control Module System VDC system failure <Ref. to DTC C2548 VEHICLE DYNAMICS CONTROL MODULE SYSTEM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2549 Assist MAP Selection
  • Faulty main unit of power steering control module
  • Defective CAN communication
 <Ref. to DTC C2549 ASSIST MAP SELECTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
C2551 Power Supply Relay
  • Power supply voltage malfunction
  • Faulty relay contact
 <Ref. to DTC C2551 POWER SUPPLY RELAY , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0073 Control Module Communication Bus Off Defective CAN communication <Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0100 Lost Communication With ECM/PCM "A" Defective CAN communication <Ref. to DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0122 Lost Communication With Vehicle Dynamics Control Module Defective CAN communication <Ref. to DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0126 Lost Communication With Steering Angle Sensor Module Defective CAN communication <Ref. to DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Defective CAN communication <Ref. to DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0401 Invalid Data Received From ECM/PCM "A" Defective CAN communication <Ref. to DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U0416 Invalid Data Received From Vehicle Dynamics Control Module Defective CAN communication <Ref. to DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U1235 Lost Communication With EyeSight Defective CAN communication <Ref. to DTC U1235 LOST COMMUNICATION WITH EYESIGHT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
U1433 Invalid Data Received From EyeSight Defective CAN communication <Ref. to DTC U1433 INVALID DATA RECEIVED FROM EYESIGHT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
scientia non olet · About LEMON Manuals