19/08/2024 09:21:46

Device Cluster Assembly (Backup and Restore)

Correction code NA 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.

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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.

Backup

  1. Open the LH front door and lower the LH front window.
  2. Remove the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
  3. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  4. On the vehicle touchscreen, navigate to Service UI > High Voltage Tab > Procedures > Device Cluster Assembly (DCA) Replacement > Backup Old DCA, and then tap Run to back up the device cluster assembly.
    Informational PurposesAn informational icon, calling your attention
    Note
    Allow the routine to complete before continuing.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure the routine completes successfully.

Restore

  1. Disconnect MV power. See Disconnect MV Power.
  2. Connect the MV battery maintainer, but leave the MV battery disconnected: Attach the positive terminal to jump post, and then attach the negative terminal to the bolt located between the brake fluid reservoir and the front trunk.
    Informational PurposesAn informational icon, calling your attention
    Note
    1x cover, Secure MV maintainer but leave the Li-ion battery disconnected, Secure positive terminal to jump post, Secure negative terminal to bolt located between brake fluid reservoir and front trunk, Connect maintainer to power supply, DO NOT allow positive cable to make contact with other metal components, Prevent shorting the cables,Do not have a MV maintainer and the Li-ion battery simultaneously connected for any extended period of time
  3. Connect the MV battery maintainer to power supply.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    DO NOT allow the positive cable to make contact with other metal components. Prevent shorting the cables.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not have the MV battery maintainer and the MV battery simultaneously connected for any extended period of time.
  4. Reestablish vehicle connection to Toolbox 3.
  5. On the vehicle touchscreen, navigate to Service UI > High Voltage Tab > Procedures > Device Cluster Assembly Replacement > Restore New DCA, and then tap Run to restore the device cluster assembly.
    Informational PurposesAn informational icon, calling your attention
    Note
    Laptop must be connected via Toolbox 3 for duration of routine. Follow all on screen instructions and requirements. Do not disconnect Toolbox 3 until routine completes successfully.
  6. Power down the vehicle through the vehicle touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify EPBs are engaged. Touch the charge port icon to ensure the drive state is disengaged, and then power down vehicle via Controls > Safety > Power Off.
  7. Remove the MV battery maintainer from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Unplug the MV battery maintainer first from the power outlet, and then remove the positive and negative leads from the jump posts.
  8. Reconnect MV power. See Disconnect MV Power.
  9. Install the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
  10. Raise the LH front window and close the LH front door.