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.
2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Security Control Module: Installation
CAUTION:
- When the control module related to immobilizer has been replaced, be sure to perform the registration of immobilizer system. For detailed operation procedure, refer to "Type B" described in "REGISTRATION MANUAL FOR IMMOBILIZER".
- Before handling the airbag system components, refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM". Refer to AIRBAG SYSTEM>GENERAL DESCRIPTION>CAUTION .
- Do not allow harness and connectors to interfere or get tangled up with other parts.
- If the steering wheel and steering angle sensor (steering roll connector) are removed, perform "VSC(VDC) Centering Mode" of the VDC. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)>ADJUSTMENT>VDC SENSOR MIDPOINT SETTING MODE .
- Install the security control module.
Tightening torque:
7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
- Install the heater and cooling unit assembly. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>HEATER AND COOLING UNIT>INSTALLATION .
- Install the instrument panel assembly. Refer to EXTERIOR/INTERIOR TRIM>INSTRUMENT PANEL ASSEMBLY>INSTALLATION .
- Install the knee airbag module. Refer to AIRBAG SYSTEM>KNEE AIRBAG MODULE>INSTALLATION .
- Install the cover assembly - instrument panel LWR driver. Refer to EXTERIOR/INTERIOR TRIM>INSTRUMENT PANEL LOWER COVER>INSTALLATION .
- Install the steering wheel. Refer to POWER ASSISTED SYSTEM (POWER STEERING)>STEERING WHEEL>INSTALLATION .
- Connect the battery ground terminal. Refer to NOTE>NOTE>BATTERY .
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.