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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Vehicle Dynamics Control System (WRX)) >> VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) >> Installation
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VDC Control Module and Hydraulic Control Unit (VDCCM&H/U): Installation

WARNING: This page is about a different car, the 2013 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the VDCCM&H/U bracket.

    Tightening torque: 

    33 N.m (3.36 kgf-m, 24.3 ft-lb) 

  2. Install the VDCCM&H/U with a new nut by aligning the damper groove of the VDCCM&H/U to the bracket side claw.

    Tightening torque: 

    7.5 N.m (0.76 kgf-m, 5.5 ft-lb) 

    Fig 1: Removing VDC Control Module And Hydraulic Control Unit Bracket Mounting Nuts
    G05343419Courtesy of SUBARU
  3. Connect the brake pipes to their correct VDC-CM&H/U positions.

    Tightening torque: 

    T1: 15 N.m (1.53 kgf-m, 11.1 ft-lb) 

    T2: 19 N.m (1.94 kgf-m, 14 ft-lb) 

    Fig 2: Identifying Brake Pipes And VDC Control Module And Hydraulic Control Unit Connectors
    G05343421Courtesy of SUBARU
  4. Connect the VDCCM&H/U connector.
    NOTE:
    • Be sure to remove all foreign matter from inside the connector before connecting.
    • Make sure the VDCCM&H/U connector is securely locked.
  5. Bleed air from the brake system. < Refer to PROCEDURE , Air Bleeding. >
  6. Check the parameter to confirm that the applied models and grades of the relevant vehicle are included. < Refer to PARAMETER CHECK , OPERATION, Subaru Select Monitor. >
  7. If the applied model and grade of the target vehicle are not included on the {Confirm on parameter} display screen, perform parameter selection and registration. < Refer to PARAMETER SELECTION , OPERATION, Subaru Select Monitor. >
    NOTE:
    • When the VDCCM&H/U is replaced with a new part, be sure to perform the selection registration operation.
    • For the selection and registration of parameter, the Subaru Select Monitor is required.
    • When the registration has not been performed, the DTC code "Parameter selection error" is detected together with the ABS/EBD/VDC warning light illumination.