2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

VDC Control Module & H/U

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform steps  1 to  25 in procedure 2 for air bleeding of the brake line. Ref. to BRAKE>AIR BLEEDING>PROCEDURE>BRAKE LINE .
CAUTION:
  • If there is a possibility that air entered the pressure control section in the VDC Control Module & H/U, perform steps   12  to   17  in  BRAKE LINE   . 
  • For normal air bleeding operation, do not operate the sequence control for the VDC Control Module & H/U. (Operating the sequence control may let air in the normal air bleeding passages move to the pressure control section.) 
  • Be sure to perform the ABS sequence control mode first before the VDC sequence control mode. 
Factory Service Tools

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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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