2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Work Support: List

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.
Work Support item Contents Reference
ABS Sequence Control Mode Operate the valve and pump motor continuously to perform the ABS sequence control. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>ABS SEQUENCE CONTROL
VDC Check Mode Operate the valve and pump motor continuously to perform the VDC sequence control. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC SEQUENCE CONTROL
Brake Lamp Lighting Operation Forcibly activate the brake light relay to illuminate the brake light. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>BRAKE LAMP RELAY>OPERATION>BRAKE LIGHT LIGHTING OPERATION BY SUBARU SELECT MONITOR
VSC (VDC) Centering Mode Set the steering angle sensor neutral position, and the lateral G sensor and longitudinal G sensor 0 (zero) point. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>ADJUSTMENT>VDC SENSOR MIDPOINT SETTING MODE
Reading of parameter: ECM to SSM Read VDC Control Module parameter data. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>MAINTENANCE MODE>VDC CONTROL MODULE PARAMETER READING
Writing of parameter: SSM to ECM Write the parameter data to the VDC Control Module. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>MAINTENANCE MODE>VDC CONTROL MODULE PARAMETER WRITING
Selection of Parameter Select and register parameters in the VDC Control Module. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>MAINTENANCE MODE>VDC CONTROL MODULE PARAMETER SELECTION
Confirm on parameter Parameters registered in the VDC Control Module are displayed. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>MAINTENANCE MODE>VDC CONTROL MODULE PARAMETER CHECK
Brake Maintenance Mode Used when inspecting and repairing parts related to rear brake. Ref. to PARKING BRAKE>PARKING BRAKE SYSTEM>OPERATION>BRAKE MAINTENANCE MODE
Electric Parking Brake Compulsion Release Mode Release the electronic parking brake forcibly. Ref. to PARKING BRAKE>EMERGENCY RELEASE OF ELECTRONIC PARKING BRAKE>OPERATION
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.