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

Transmission Control Module (TCM): Removal

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Removal
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. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    G11252776Courtesy of SUBARU OF AMERICA, INC.
  3. 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. 

    G11252777Courtesy of SUBARU OF AMERICA, INC.
  4. Disconnect the ground cord.
    G13603170Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the pitching stopper. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>TRANSMISSION MOUNTING SYSTEM>REMOVAL>PITCHING STOPPER .
  6. Remove the transmission case cover (front).
    G13603171Courtesy of SUBARU OF AMERICA, INC.
  7. Move the lock lever in the arrow direction while pressing the lock button (A), and disconnect the connector.
    G13592051Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the TCM.
G13603259Courtesy of SUBARU OF AMERICA, INC.
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.