List of Diagnostic Trouble Code (DTC): List

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION List
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 Failure 1 (Main)
  • Poor connector contact
  • Forgot to connect connector
  • Faulty torque sensor section circuit
  • Faulty torque sensor coil
< Ref. to DTC C2511: TORQUE SENSOR FAILURE 1 (MAIN) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2512 Torque Sensor Failure 2 (Sub) < Ref. to DTC C2512: TORQUE SENSOR FAILURE 2 (SUB) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2513 Torque Sensor Failure 3 (Much Tolerance) < Ref. to DTC C2513: TORQUE SENSOR FAILURE 3 (MUCH TOLERANCE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2514 Torque Sensor Power Supply Failure < Ref. to DTC C2514: TORQUE SENSOR POWER SUPPLY FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2521 Motor Failure 1 (Motor)
  • 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 FAILURE 1 (MOTOR) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2522 Motor Malfunction 2(Resolver) < Ref. to DTC C2522: MOTOR MALFUNCTION 2 (RESOLVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2531 ECU Failure 1 (CPU Failure) Faulty main unit of power steering control module < Ref. to DTC C2531: ECU FAILURE 1 (CPU FAILURE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2532 ECU Failure 2 (Peripheral Circuit Failure) Faulty main unit of power steering control module < Ref. to DTC C2532: ECU FAILURE 2 (PERIPHERAL CIRCUIT FAILURE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2533 ECM Failure 3 (Board Temperature Sensor Failure) Faulty main unit of power steering control module < Ref. to DTC C2533: ECM FAILURE 3 (BOARD TEMPERATURE SENSOR FAILURE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2541 Vehicle Speed Is Abnormal
  • Poor connector contact
  • Forgot to connect connector
  • Harness open/short circuit
< Ref. to DTC C2541: VEHICLE SPEED IS ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2543 Error Passive Status Defective CAN communication < Ref. to DTC C2543: ERROR PASSIVE STATUS , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2551 Power Supply Relay Failure
  • Power supply voltage malfunction
  • Faulty relay contact
< Ref. to DTC C2551: POWER SUPPLY RELAY FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2552 Motor Relay Abnormal Faulty relay < Ref. to DTC C2552: MOTOR RELAY ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
U0073 Control Module Communication Bus "A" Off Defective CAN communication < Ref. to DTC U0073: CONTROL MODULE COMMUNICATION BUS "A" 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). >
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). >
RENDER: 1.0x

NO RELATED

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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.