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.
2008 Subaru Outback F6-3.0L DOHCFACTORY OEM SERVICE PROCEDURE
Control Module: Service and Repair
Transmission Control Module (TCM)
REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the lower cover and then disconnect the connector.
3) Disconnect the connector from TCM.
4) Remove the TCM.
INSTALLATION
1) Install the TCM.
2) Connect the connector to the TCM.
3) Install in the reverse order of removal.
4) Perform Clear Memory 2 operation.
5) Execute the learning control promotion.
6) Perform the inspection at the end of repair work, and make sure there is no faulty as below;
^ Excessive shift shock
^ Oil leakage from the transmission body, etc.
^ Occurrence of noise caused by interference etc.
REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the lower cover and then disconnect the connector.
3) Disconnect the connector from TCM.
4) Remove the TCM.
INSTALLATION
1) Install the TCM.
2) Connect the connector to the TCM.
3) Install in the reverse order of removal.
4) Perform Clear Memory 2 operation.
5) Execute the learning control promotion.
6) Perform the inspection at the end of repair work, and make sure there is no faulty as below;
^ Excessive shift shock
^ Oil leakage from the transmission body, etc.
^ Occurrence of noise caused by interference etc.
Factory Service Tools
Use the Manual With the Right Hardware
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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.