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Home › Hyundai › 2017 › Elantra Value Edition › Repair and Diagnosis › Steering › Power Steering System Diagnosis › DTC C1290: Torque Sensor Signal Error › Component Inspection

Component Inspection

  1. Ignition "OFF".
  2. Ignition "ON" & Engine "OFF".
  3. Connect GDS and select "Diagnostic Trouble Codes (DTC)"  mode.
  4. Using a GDS, Clear DTC.
  5. Operate the vehicle within DTC Detecting Condition in General Information. (turn right and left at least 1 time)
  6. Select "Diagnostic Trouble Codes (DTC)"  mode again.
  7. Are any DTCs present?

    YES 

    • Substitute with a known-good steering column & EPS ECU assembly and check for proper operation.

      If problem is corrected, replace steering column & EPS ECU assembly and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by faulty EPS ECU or was repaired and EPS ECU memory was not cleared. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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