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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).
C2544 Auto Start Stop SYSTEM Auto Start Stop system failure Ref. to DTC C2544 Auto Start Stop SYSTEM , 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).
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 CAN FAILURE, BUS 'OFF' DETECTION 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).
U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE Defective CAN communication Ref. to DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP 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).
U1469 INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE Defective CAN communication Ref. to DTC U1469 INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
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