CAUTION:

When replacing the TCM, be sure to perform [Start count reading ECU to SSM] before operation and perform [Start count writing SSM to ECU] after operation. Refer to AUTO START STOP (DIAGNOSTICS)>Work Support>NOTE .
When [Start count reading ECU to SSM] cannot be performed due to TCM malfunction, be sure to replace the starter and fuel pump relay at the same time.

Starter:

Fuel pump relay:

Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
Remove the clip from the air intake boot, and loosen the clamp.

Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake boot, and place it aside so that it does not interfere with the work.
CAUTION: Be careful not to pull out the PCV hose.

Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground cord.

Courtesy of SUBARU OF AMERICA, INC.
Remove the pitching stopper. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Transmission Mounting System>REMOVAL>PITCHING STOPPER .

Remove the transmission case cover (front).

A-type

Courtesy of SUBARU OF AMERICA, INC.

B-type

Courtesy of SUBARU OF AMERICA, INC.

Move the lock lever in the arrow direction while pressing the lock button (A), and disconnect the connector.

Courtesy of SUBARU OF AMERICA, INC.
Remove the TCM.

Courtesy of SUBARU OF AMERICA, INC.

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.

Safety Warning

Transmission Control Module (TCM): Removal