2018 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

VDC Control Module Parameter Selection

NOTE:
  • When the VDC CONTROL MODULE & H/U is replaced with a replacement part, be sure to perform the parameter selection/registration to the VDC CONTROL MODULE & H/U using this function.
  • To check the applied model, refer to the "Model Number Plate" attached to the vehicle. Ref. to IDENTIFICATION .
  • If you entered a wrong applied model, you can re-write it.
  • When the registration has not been performed, the DTC code "Parameter" is detected together with the ABS/EBD/VDC warning light illumination.
  • This function can be used for the replacement part of VDC CONTROL MODULE & H/U.
  1. Perform selection of parameter.
    1. Connect the Subaru Select Monitor.
      NOTE: For detailed operation procedures, refer to "Application Help".
    2. Turn the ignition switch to ON.
    3. On «Start» display, select «Diagnosis».
    4. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».
    5. On «Main Menu» display, select «Each System».
    6. On «Select System» display, select «Brake Control System» and select «Enter».
    7. On «Select Function» display, select «Work Support».
    8. On «Work Support» display, select «Selection of Parameter».
  2. Check the applied model and option code indicated on the "Model number plate". Ref. to IDENTIFICATION .
  3. Enter the applied model of 7-digit alphanumeric characters and press the «Enter» key.
  4. When the option code input screen appears after entering the applied model, enter the option code consisting of 4-digit alphanumeric characters, and press the «Enter» key. When the option code is 3 digits, add "0" (zero) in front and enter the code as 4 digits.
  5. When the confirmation screen indicating the vehicle information appears, check that the correct applied model and grade are displayed and click the «OK» button.
    NOTE: When the displayed applied model and grade are different from those of the vehicle, perform registration operations after clicking the [OK] button.
  6. Execute the Clear Memory Mode after parameter selection and registration operations because the DTC for "Parameter selection error" is memorized. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>Clear Memory Mode .
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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.

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