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.

2004 Subaru Baja Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Electrical Components Location: Location: Transmission

MODULE

Fig 1: Identifying Transmission Module
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SENSOR

Fig 2: Identifying Transmission Module Sensor
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SOLENOID VALVE AND SWITCH (AT VEHICLES)

Fig 3: Identifying Solenoid Valve & Switch (AT Model)
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SOLENOID VALVE AND SWITCH (MT VEHICLES)

Fig 4: Identifying Solenoid Valve & Switch (MT Model)
Courtesy of SUBARU OF AMERICA, INC.

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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.