2024-07-23

MV Battery - Li-ion 48V (Remove and Replace)

Correction code 1702081012 FRT 0.18 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above 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 Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

  • 2024-07-03: Added steps to run battery health check.
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Warning
Cybertruck electronics are powered by a 48V "mid voltage" or "MV" architecture that is designed to improve efficiency. Servicing MV components requires extra knowledge and care in order to avoid personal and/or vehicular harm. Read and understand MV precautions in Electrical Precautions and make sure any required MV-related training courses have been completed, as applicable.
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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.

Install

  1. Position the MV battery into the vehicle, slide the battery rearwards into position, and then install the bolts (x2) that attach the battery to the vehicle.
    8 Nm (5.9 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  2. Reconnect MV power. See Disconnect MV Power.
  3. Install the frunk assembly. See Frunk Assembly (Remove and Install).
  4. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Install).
  5. Unlock the vehicle Gateway. See Gateway (Unlock).
  6. Learn the MV battery: On the vehicle touchscreen, tap Service Mode > Low Voltage > Power Distribution > MV Battery (icon) > Learn New Battery.
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    Note
    Make sure the routine is successful.
  7. Park the vehicle where it can remain for 30 minutes.
    Informational PurposesAn informational icon, calling your attention
    Note
    Fast charging is not permitted during MV battery health test. Slow charging is permitted.
  8. Run Battery Health Test: On the vehicle touchscreen, tap Mode UI > Low Voltage (tab) > Power Distribution > MV Battery (icon) > Run Battery Health Test, and then tap Run and allow the routine to complete.
    Informational PurposesAn informational icon, calling your attention
    Note
    The Battery Health Test Required alert will clear after approximately 30 minutes.
  9. Exit Service Mode. See Service Mode.
  10. Raise the LH front window and close the LH front door.