2025-06-11

MV Controller - Rear (Long Range) (Remove and Replace)

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.

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.
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. Open LH rear door
    Informational PurposesAn informational icon, calling your attention
    Note
    Push LH C-pillar door trigger to release
  4. Lower LH rear window
  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. Remove 2nd row floor mat
  8. Fold up 2nd row 60 seat
    Informational PurposesAn informational icon, calling your attention
    Note
    Pull tether to release then lift up until locked in place
  9. Partially release LH lower C-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x datum
  10. Open RH rear door
    Informational PurposesAn informational icon, calling your attention
    Note
    Push RH C-pillar door trigger to release
  11. Lower RH rear window
  12. Fold up 2nd row 40 seat
    Informational PurposesAn informational icon, calling your attention
    Note
    Pull tether to release then lift up until locked in place
  13. Partially release RH lower C-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x datum
  14. Remove rear wall lower trim
    Informational PurposesAn informational icon, calling your attention
    Note
    2x push clips, 4x clips, Remove outermost push clips, then pull straight forward to release inner clips
  15. Power down vehicle via UI
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify EPBs are engaged, Select charge port icon to ensure drive state is disengaged then power down vehicle via Controls > Safety > Power Off
  16. 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
  17. Release rear MV controller locking cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 8mm, 6 Nm, Do not remove locking cover, Loosen until bolt spins freely, Double check that bolt and locking cover are fully released before attempting to release any MV connectors, Plastic Locking CoverUse hand tools on any plastic locking covers, The locking cover may release crooked causing it to get stuck, secure bolt a few turns to loosen the tension then release bolt while assisting plastic locking cover by gently prying on the side that's stuck, Metal Locking CoverYou can use power tools, Quickly disconnecting locking cover helps connectors remove symmetrically,
  18. Release connector J3 X0052 from rear vehicle controller
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, 2x tabs, 1x clip, Do not remove locking cover, Each connector has two tabs one on the top right side and one on the left lower side of the connector head, You need to press both tabs in order for the connector head to clear locking cover and release successfully, Using a pocket screwdriver to press one of the connector tabs while pressing the other one yourself makes this process easier
  19. Release rear vehicle controller connectors
    Informational PurposesAn informational icon, calling your attention
    Note
    3x connectors, 6 tabs, Do not remove locking cover, Depress tabs on top and bottom of each connector to release from locking cover, You need to press both tabs in order for the connector head to clear locking cover and release successfully, Using a pocket screwdriver to press one of the connector tabs while pressing the other one yourself makes this process easier
  20. Disconnect etherloop connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release locking tab
  21. Remove LH vehicle controller
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 10mm, 13 Nm, 1x bolt, 10mm, 10 Nm
  22. Install rear MV controller
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 10mm, 13 Nm, 1x bolt, 10mm, 10 Nm
  23. Connect etherloop connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Engage locking tab
  24. Secure remaining rear MV controller connectors
    Informational PurposesAn informational icon, calling your attention
    Note
    3x connectors, 6x tabs, Ensure connectors are aligned before securing bracket, Carefully insert connectors through locking covers, Gently wiggle connector heads to ensure they are correctly inserted, Connectors should be slightly loose but tab engagement will prevent them from removing, Consider that pins need to be alighned correctly before you drive the locking cover bolts
  25. Secure connector J3 X0052 to rear vehicle controller locking frame
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, 2x tabs, 1x clip, Carefully insert connector through locking cover, Gently wiggle connector heads to ensure they its correctly inserted, Connector should be slightly loose but tab engagement will prevent it from removing, Consider that pins need to be aligned correctly before you drive the locking cover bolt
  26. Secure rear MV controller locking cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 8mm, 6 Nm, Ensure connectors are aligned before securing bracket, Secure locking cover bolt by hand initially to prevent thread strippingPlastic Locking CoverUse hand tools on any plastic locking covers, The locking cover may secure crooked causing it to get stuck, release bolt a few turns to loosen the tension then secure bolt while assist plastic locking cover by gently pushing on the side that's stuck, Push connectors too while driving the locking cover bolt to ensure correct seatingMetal Locking CoverYou can use power tools, Slowly drive locking cover, Ensure locking cover and bolt are seated fully
  27. Inspect for any misalignment at rear ribs and apply abrasion tape if missing
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure cable is lying flat without twist, Ensure cable is secured correctly to rib, Apply surface protection at seam of rearmost rib under backbone cable if missing
  28. Install rear wall lower trim
    Informational PurposesAn informational icon, calling your attention
    Note
    2x push clips, 4x clips
  29. Secure LH lower C-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x datum
  30. Fold down 2nd row 60 seat
    Informational PurposesAn informational icon, calling your attention
    Note
    Pull tether to release then pivot down until locked in place
  31. Raise LH rear window
  32. Close LH rear door
  33. Install RH lower C-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x datum
  34. Fold down 2nd row 40 seat
    Informational PurposesAn informational icon, calling your attention
    Note
    Pull tether to release then pivot down until locked in place
  35. Install 2nd row floor mat
  36. Raise RH rear window
  37. Close RH rear door
  38. 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
  39. Install rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    9x clips, Adjust windshield seal as required
  40. Close powered front trunk
    Informational PurposesAn informational icon, calling your attention
    Note
    Via exterior switch or UI
  41. Run ODIN routine PROC_ICE_X_ENTER-SERVICE-MODEvia Toolbox: (link)
  42. Reinstall software via UI
    Informational PurposesAn informational icon, calling your attention
    Note
    Via Controls > Service Mode > Software Reinstall, Select Reinstall button at Software Reinstall dialogue box, Reinstall will begin immediately, Once firmware redeploy is complete, Verify release notes are present via UI
  43. Run ODIN routine PROC_ICE_X_EXIT-SERVICE-MODEvia Toolbox: (link)
  44. Raise LH front window
  45. Close LH front door
  46. Remove vehicle from 4-post lift