Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Vehicle Dynamics Control System: Note
For operation procedures of each component of the vehicle dynamics control system, refer to the respective service information.
- VDC control module & hydraulic control unit (VDC CONTROL MODULE & H/U): Refer to VEHICLE DYNAMICS CONTROL(VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U) .
- Yaw rate & G sensor: Refer to VEHICLE DYNAMICS CONTROL(VDC)>YAW RATE AND G SENSOR .
- Steering angle sensor: Refer to VEHICLE DYNAMICS CONTROL(VDC)>STEERING ANGLE SENSOR .
- Front ABS wheel speed sensor: Refer to VEHICLE DYNAMICS CONTROL(VDC)>FRONT ABS WHEEL SPEED SENSOR .
- Rear ABS wheel speed sensor: Refer to VEHICLE DYNAMICS CONTROL(VDC)>REAR ABS WHEEL SPEED SENSOR .
- Front magnetic encoder: Refer to VEHICLE DYNAMICS CONTROL(VDC)>FRONT MAGNETIC ENCODER .
- Rear magnetic encoder: Refer to VEHICLE DYNAMICS CONTROL(VDC)>REAR MAGNETIC ENCODER .
- VDC OFF switch: Refer to VEHICLE DYNAMICS CONTROL(VDC)>VDC OFF SWITCH .
- Auto vehicle hold switch: Refer to VEHICLE DYNAMICS CONTROL(VDC)>AUTO VEHICLE HOLD SWITCH .
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.