06/09/2024 13:28:07

Car Computer (Remove and Replace)

See below for correction codes and FRTs 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 LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 2024-09-06: Added owner authorization request and LV maintainer steps.

Correction code information:

  • Car Computer (HW3) (LHD), 21153202, FRT: 1.20
  • Car Computer (HW3) (RHD), 21153212, FRT: 1.86
  • Car Computer (HW4) (LHD), 21153302, FRT: 1.02
  • Car Computer (HW4) (RHD), 21153312, FRT: 0.96
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure is a DRAFT, although it has been validated. Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near high voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.
  1. Open the LH front door and lower all windows.
  2. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  3. Perform the Toolbox Owner Authorization Request.
    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.
  4. Click on Dashboards > Car Computer Replacement and on the "Getting Started" page, click on Next Step.
  5. 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
    Note
    The car computer will reboot several times during this step.
  6. 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:
    Perform the following tasks that are described in the (Remove and Install) procedure:
    1. Remove the current car computer.
    2. Fasten 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. Install the front passenger knee airbag and any air ducts that were removed.
    5. Reconnect LV power. See 12V/LV Power (Disconnect and Connect).
    6. Connect an LV maintainer to the vehicle, but do not disconnect the LV battery. See LV Maintainer (Connect and Disconnect).
      Informational PurposesAn informational icon, calling your attention
      Note
      On 12V lead acid batteries, connect the 12V maintainer to the lead acid battery terminals.
    7. Perform the Coolant Air Purge routine.
  7. Reestablish the Toolbox laptop connection, and in the "Replace" page, click Next Step to go to the "Associate" page.
  8. Follow the prompts to transfer configs and associate the replacement car computer. The car computer will reboot several times.
  9. 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
    Note
    If necessary, Reconnect the Toolbox connection.
  10. Click Start Part Replacement OTA to deploy a software update to the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    If necessary, Reconnect the Toolbox connection.
  11. Use the vehicle touchscreen to install the software package. See Software Reinstall - Touchscreen.
  12. In Toolbox, click Next Page to go to the "Restore" page, and then follow the prompts to restore the vehicle profile.
  13. Disconnect the laptop from the vehicle.
  14. Install the remaining components that were removed for access.
    Select the appropriate Car Computer (Remove and Install) procedure: