2025-03-18

Car Computer (Remove and Replace)

Correction code 21153202 (HW3) 21153302 (HW4) FRT 1.14 0.84 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email ServiceManualFeedback@tesla.com. NOTE: See 개인 보호 to make sure wearing proper PPE when performing the below procedure.NOTE: See 인체공학적 주의 사항for safe and healthy working practices.

  • 2025-03-13: Added 3rd party security credentials check.
  • 2024-10-17: Added instruction for car computer disposal.
  • 2024-09-06: Added owner authorization request and LV maintainer steps.

Replace Car Computer

  1. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3(연결 및 연결 해제).
  2. For Third Party repairs only: Perform the Toolbox Owner Authorization Request.
    Informational PurposesAn informational icon, calling your attention
    참고
    If the repair was booked through Tesla Service, the customer has already given authorization. Go to the next step.
    1. Log in to https://toolbox.tesla.com/help/owner_authorization.
    2. On the left panel, click Owner Authorization Request, and then click Request Owner Authorization in the main panel.
    3. Complete and submit the form.
    4. Ask the vehicle owner to approve the authorization request that was sent to their email.
  3. Click on Dashboards > Car Computer Replacement and on the "Getting Started" page, click on Next Step.
  4. On the "Backup & Factory Reset" page, click Next Step and follow the prompts to perform a profile backup and factory reset on the car computer.
    Informational PurposesAn informational icon, calling your attention
    참고
    The car computer will reboot several times during this step.
  5. Once the "Replace" page appears, the car computer can be replaced. Use the instructions in the appropriate "Remove and Install" procedure to replace the car computer:
    Select the appropriate Car Computer (Remove and Install) procedure:
  6. Perform the following tasks that are described in the (Remove and Install) procedure:
    1. Remove the current car computer.
    2. Install the replacement car computer to the vehicle and connect all harnesses and hoses to the computer.
    3. Prepare the vehicle for a Coolant Air Purge.
    4. Reconnect LV power. See LV 전원(연결 해제 및 연결).
    5. Connect an LV maintainer to the vehicle, but do not disconnect the LV battery. See LV 유지 장치(연결 및 연결 해제).
      Informational PurposesAn informational icon, calling your attention
      참고
      During Software Redeploy / OTA after replacing a part which prevents HV contactors closing, it is permitted to connect both the LV maintainer and the LV battery. Refer to Toolbox article 5795500 for more information.
    6. Unlock the vehicle gateway.

  7. Re-establish the Toolbox laptop connection, and in the "Replace" page, click Next Step.
  8. 제3자 수리에만 해당: "차량 컴퓨터 연결" 섹션으로 이동하려면 필요한 차량 보안 전문가 로그인 자격 증명을 입력하십시오.
    Informational PurposesAn informational icon, calling your attention
    참고
    보안 및/또는 도난과 관련이 있거나 특별한 프로그래밍 및/또는 설정이 필요할 수 있는 부품은 차량 보안 인증 기관에 등록된 자동차 전문가나 Tesla 서비스 기술자만 구성할 수 있습니다.
  9. Follow the prompts to transfer configurations and associate the replacement car computer. The car computer will reboot several times.
  10. When association is complete and the VIN is confirmed online, click Next Step to go to the "Update" page.
    Informational PurposesAn informational icon, calling your attention
    참고
    If necessary, Reconnect the Toolbox connection.
  11. Click Start Part Replacement OTA to deploy a software update to the vehicle.
    Informational PurposesAn informational icon, calling your attention
    참고
    If necessary, Reconnect the Toolbox connection.
  12. Re-install software via UI
    Informational PurposesAn informational icon, calling your attention
    참고
    Via Controls > Service Mode > Software Reinstall
  13. In Toolbox, click Next Page to go to the "Restore" page, and then follow the prompts to restore the vehicle profile.
  14. Disconnect the laptop from the vehicle.
  15. Install the remaining components that were removed for access.
    Select the appropriate Car Computer (Remove and Install) procedure:
  16. 오래된 차량 컴퓨터를 올바르게 폐기합니다. 차량 컴퓨터(폐기)의 지침을 따르며 서비스 방문에 교정 코드 21151007을 별도 활동으로 추가합니다.