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.
2009 Subaru Forester XTFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Airbag Control Module (AB17) | Under right front of center console. See Figure. |
| Auto Headlight Beam Leveler CM (B150) | Left side of dash. See Figure. |
| Body Integrated Unit (I84) | Behind center of dash. See Figure. |
| Engine Control Module (B134, B135, B136 & B137) | In passenger side front footwell below carpet and protective panel. See Figure. |
| Fuel Pump Control Module (R122) | Behind right rear quarterpanel. See Figure. |
| Illumination Control Module (I79) | Left side of dash. See Figure. |
| Keyless Entry Control Module (R80) | Left rear vehicle chassis. See Figure. |
| Occupant Detection Control Module (AB53) | Center of vehicle chassis. See Figure. |
| Remote Engine Start Control Module (B180) | Left side of dash. See Figure. |
| Side Air Bag Control Module (AB19) | Left front of vehicle chassis. See Figure. |
| TPMS Control Module (B54) | Center of dash. See Figure. |
| Turn Signal & Hazard Unit (B32) | Left side of dash. See Figure. |
| VDC Control Module (B310) | Right side of dash. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.