2025-06-11

Cover - Phase Out - Drive Inverter - Rear (Long Range) (Remove and Install)

Correction code NEW 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 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.
Warning IconA warning icon, calling your attention to a possibly risky situation
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.
  • 2025-05-05: Released new procedure.
  1. Open LH front door
    Informational PurposesAn informational icon, calling your attention
    Note
    Push LH B-pillar door trigger to release
  2. Lower LH front window
  3. Raise and support vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    Set air suspension to "Jack Mode"
  4. Open tailgate
    Informational PurposesAn informational icon, calling your attention
    Note
    Press button to release
  5. Open powered front trunk
    Informational PurposesAn informational icon, calling your attention
    Note
    Via exterior switch or UI
  6. Remove rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    9x clips
  7. Disconnect FRL connector then disconnect MV battery connector
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors, Release locking tab then disconnect FRL connector, Slide eCPA to left then lift lever to release MV battery connector, Early production trucks may have black FRL connector, Release eCPA by pushing down to unlock and slide red locking tab, Wait 2 minutes for electrical circuits to discharge before disconnecting modules
  8. Verify operation of multimeter
    Informational PurposesAn informational icon, calling your attention
    Note
    Set multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing MV battery, Touch lightly and do not damage terminals
  9. Raise vehicle fully
    Informational PurposesAn informational icon, calling your attention
    Note
    Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
  10. Remove rear skid plate
    Informational PurposesAn informational icon, calling your attention
    Note
    6x clips, 3x bolts, 15mm, 42 Nm, 5x bolts, 13mm, 28 Nm, 2x bolts, 10mm, 6 Nm
  11. Remove all items from pockets and ensure not wearing metal items
  12. Inspect HV insulating gloves
    Informational PurposesAn informational icon, calling your attention
    Note
    Check gloves for damage prior to use, Refer to service document TN-15-92-003
  13. Put on HV insulating gloves and leather over gloves
  14. Verify no HV - Install amp clamp to RDU HV harness
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify meter is zeroed out before performing measurement, Measure single cable. Verify ammeter is installed in correct direction. If current > 0.5A do not proceed with disconnecting HV connector. In this case, start vehicle electrical isolation again to make sure that all was properly shut down. Escalate for assistance as requiredIf current < 0.5A, Ok to disconnect and check voltage at HV plug on the battery side.Release locking tab and rotate the release lever up to disengage the connector, Release harness clip, Do not force the release lever up, Ensure the alignment tabs on the RDU header are not damagedMake sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, Measure B+ to Ground, B- to Ground, B+ to B-, If voltage is greater than 10V, Pack contactors are not open or welded, Stop work and reach out to Service Engineering
  15. Remove leather over gloves and HV insulating gloves
  16. Install rear skid plate
    Informational PurposesAn informational icon, calling your attention
    Note
    6x clips, 3x bolts, 15mm, 42 Nm, 5x bolts, 13mm, 28 Nm, 2x bolts, 10mm, 6 Nm, Apply Loctite 222 to mid aero shield bolts and install fasteners
  17. Lower vehicle until tires are touching the ground
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  18. Remove fastener covers from bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    14x covers
  19. Remove bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x short bolts, 15mm, 56 Nm, 2x long bolts, 15mm, 46Nm, Lift front edge with trim tool then remove panel, Recommend assistance
  20. Remove label to access phase out cover bolts
    Informational PurposesAn informational icon, calling your attention
    Note
    Label is one time use, Discard after removal
  21. Remove the bolts securing the phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 14 Nm
  22. Remove RDU phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    If cover or O-rings are damaged then replace
  23. Install phase out cover assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    If phase out cover or O-rings are damaged then replace with a new unit
  24. Install bolts securing the RDU phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 14 Nm
  25. Install phase out cover warning label
    Informational PurposesAn informational icon, calling your attention
    Note
    One time use, install new label
  26. Install bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x short bolts, 15mm, 56 Nm, 2x long bolts, 15mm, 46Nm, Recommend assistance
  27. Install fastener covers onto bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    14x covers
  28. Connect FRL connector then connect MV battery connector
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors, Connect FRL connector then secure locking tab, Position lever to secure MV battery connector then slide eCPA to right, Early production trucks may have black FRL connector, If power cycling vehicle then ensure at least 60 seconds has passed since powering down
  29. Close tailgate
  30. Raise LH front window
  31. Close LH front door