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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (CVT TRANSAXLE (TR580))TRANSMISSION CONTROL MODULE (TCM)INSTALLATION
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

Transmission Control Module (TCM): Installation

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Installation
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
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. Ref. 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: 

Ref. to STARTING/CHARGING SYSTEMS (H4DO (EXCEPT FOR HEV))>STARTER .

Fuel pump relay: 

Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>FUEL PUMP RELAY .

  1. Install the TCM.

    Tightening torque: 

    7 N.m (0.7 kgf-m, 5.2 ft-lb)

  2. Connect the connector.
    NOTE:

    Move the lock lever and confirm that a clicking sound is heard. 

  3. Install the transmission case cover (front).
    NOTE:
    • Insert the transmission case cover (front) between transmission case cover (rear) and transmission body. 
    • When inserting, be careful that the insulator inside transmission case cover is not turned over. 
    G11255547Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    7 N.m (0.7 kgf-m, 5.2 ft-lb)

    G13603171Courtesy of SUBARU OF AMERICA, INC.
  4. Install the pitching stopper. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>PITCHING STOPPER .
  5. Connect the ground cord.

    Tightening torque: 

    32.3 N.m (3.3 kgf-m, 23.8 ft-lb)

    G13603170Courtesy of SUBARU OF AMERICA, INC.
  6. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO (EXCEPT FOR HEV))>AIR INTAKE BOOT>INSTALLATION .
  7. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  8. Perform the [Clear AT learning value] and [AT learning mode] using Subaru Select Monitor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>AT LEARNING .
RENDER: 1.0x

NO RELATED

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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.