2026-08-09

Drive Inverter - Rear (Long Range) (Remove and Install)

Correction code 40200200601, 40200200602 3.00 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. 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.

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.
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.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Only technicians who have been trained in High Voltage Awareness and have completed all required certification courses (if applicable) are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, High Voltage Awareness Care Points for additional glove and safety information.
  • 2025-06-21: Released new procedure.
  1. Open the LH front door and lower the LH front window.
  2. Open the tailgate.
  3. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  4. Connect a laptop with Toolbox to the vehicle. See Toolbox 3 (Connect and Disconnect).
  5. Unlock the vehicle Gateway. See Gateway (Unlock).
  6. Disconnect Toolbox and remove the laptop from the vehicle. See Toolbox 3 (Connect and Disconnect).
  7. Select 'High Voltage' via UI
    Informational PurposesAn informational icon, calling your attention
    Note
    Service Mode Plus > High Voltage
  8. Select 'Procedures'
    Informational PurposesAn informational icon, calling your attention
    Note
    Lighting Bolt Icon > High Voltage > Procedures
  9. Select 'Rear Drive Inverter Replacement'
    Informational PurposesAn informational icon, calling your attention
    Note
    Procedures > Drive-Inverter-Replacement > Rear Drive Inverter Replacement
  10. Select ‘Store Boot + App Data and start fluid fill/drain’, click ‘Run’, and allow routine to complete
    Informational PurposesAn informational icon, calling your attention
    Note
    Select 'Close' once complete
  11. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Install).
  12. Disconnect MV power. See Mid-Voltage Power (Disconnect and Connect) (Modify).
  13. Remove the bed floor assembly. See Bed Floor Assembly (Long Range) (Remove and Install).
  14. Remove the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  15. Remove the rear skid plate. See Skid Plate - Rear (Remove and Install).
  16. Remove all items from pockets and ensure not wearing metal items
  17. 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
  18. Put on HV insulating gloves and leather over gloves
  19. 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
  20. Remove leather over gloves and HV insulating gloves
  21. Position coolant drain below rear inverter
  22. Remove RDU coolant hose from rear inverter
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x hose clip, Plug both ends, Release clip, Use a long flathead to release clip on hose and release hose
  23. Release rear drive unit LV harness clip
    Informational PurposesAn informational icon, calling your attention
    Note
    1 clip
  24. Release lower portion of rear inverter acoustic cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips
  25. Remove RDU HV harness bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, T30 , 10 Nm
  26. 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
  27. Position coolant catcher below rear drive unit
  28. Release acoustic cover surrounding RH motor mount
    Informational PurposesAn informational icon, calling your attention
    Note
    5x clips, if acoustic cover is present on mount, remove and discard
  29. Remove RDU supply hose from rear inverter
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, Plug both ends after disconnecting
  30. Release rear inverter coolant hose from gearbox housing
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, Rotate hose away from inverter
  31. Remove coolant catcher from below vehicle
  32. Disconnect RDU HV cable from RDU
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Disengage locking tab then release connector body and move aside
  33. Disconnect RDU logic connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release locking tab, Do not get coolant ingress into this connector, Move aside as needed
  34. Release RDU LV harness
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  35. Remove bolt securing ground strap to RDU
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 10mm, 10 Nm
  36. Remove label to access phase out cover bolts
    Informational PurposesAn informational icon, calling your attention
    Note
    Label is one time use, Discard after removal
  37. Remove the bolts securing the phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 14 Nm
  38. Remove RDU phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    If cover or O-rings are damaged then replace
  39. Remove phase plugs
    Informational PurposesAn informational icon, calling your attention
    Note
    3x plugs, Discard after removal, Firmly grip plug with needle nose pliers then pull outward, If plugs not present then skip this step
  40. Remove bolts securing phase busbars to RDI
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 11.5 Nm, Fasteners should be reused, If fasteners need to be replaced then follow torque sequence, Tighten to 12.5 Nm then reverse 180 degrees then tighten to 5 Nm
  41. Release acoustic cover surrounding RH motor mount
    Informational PurposesAn informational icon, calling your attention
    Note
    5x clips, if acoustic cover is present on mount, remove and discard
  42. Position jack to support rear drive unit
  43. Loosen RH motor mount bolt
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, E18, 85 Nm, 1x NVH mass, Revision D subframe will not have NVH mass,16 mm hex bolts cannot be used on Revision D subframe, E18 bolts can be used on all subframes, If mass present then mass must be reinstalled,
  44. Remove bolts securing RH motor mount assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, EP14, 35 Nm + 55 degrees
  45. Remove RH motor mount bolt
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, E18, 85 Nm, 1x NVH mass, Revision D subframe will not have NVH mass, 16 mm hex bolts cannot be used on Revision D subframe, E18 bolts can be used on all subframes, If mass present then mass must be reinstalled
  46. Remove RH rear motor mount assembly from subframe
    Informational PurposesAn informational icon, calling your attention
    Note
    Acoustic cover sits between mount and subframe,If inverter mount is 1923000-xx-B or older, then replace with 1923000-xx-C or newer
  47. Put on ESD wrist strap and secure it to inverter housing
  48. Remove bolts securing the RDU inverter to gearbox assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    9x bolts, EP10, 12.5 Nm, Fasteners can be reused
  49. Remove the inverter from drive unit and drain coolant
    Informational PurposesAn informational icon, calling your attention
    Note
    Take caution to avoid damage to the PCBA
  50. Remove drive inverter arc shield
    Informational PurposesAn informational icon, calling your attention
    Note
    Discard after removal, If FR4 arc shield material is present then it must be replaced with silicone arc shield during reassembly, If silicone arc shield material is present then replace it with new silicone arc shield, FR4 material is rigid plastic, Silicone material is flexible
  51. Place drive inverter onto ESD mat
  52. Remove ESD wrist strap from old inverter
  53. Prepare new drive inverter
    Informational PurposesAn informational icon, calling your attention
    Note
    Prepare new drive inverter, Save packaging to MRB old drive inverter, Remove any red protective covers
  54. Secure ESD strap onto new inverter housing
  55. Wipe HV cable lugs to ensure contact surfaces are free of debris
    Informational PurposesAn informational icon, calling your attention
    Note
    Allow 1 minute dry time
  56. Install drive inverter arc shield
    Informational PurposesAn informational icon, calling your attention
    Note
    If FR4 arc shield material was present then it must be replaced with silicone arc shield, If silicone arc shield material was present then replace it with new silicone arc shield, FR4 material is rigid plastic, Silicone material is flexible
  57. Position rear inverter onto drive unit
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, EP 10, Hand tight, 2x guide pins, Maneuver rear inverter into position, Take caution when maneuvering between subframe do not damage the circuit board, Thread in fastener to hold unit in place
  58. Install fasteners securing inverter to gearbox assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    9x bolts, EP10, Install hand tight, Torque at a later step
  59. Torque fasteners securing inverter to gearbox assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    9x bolts, EP10, 12.5 Nm, Torque two fasteners nearest alignment dowels first
  60. Install bolts securing phase busbars to RDI
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 11.5 Nm, Fasteners should be reused, If fasteners need to be replaced then follow torque sequence, Tighten to 12.5 Nm then reverse 180 degrees then tighten to 5 Nm
  61. Install RDU phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    Updated cover must be installed, If cover or O-rings are damaged then replace
  62. Install bolts securing the RDU phase out cover
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 14 Nm
  63. Install phase out cover warning label
    Informational PurposesAn informational icon, calling your attention
    Note
    One time use, install new label
  64. Remove ESD wrist strap from inverter
  65. Take old inverter and prepare for MRB, Label properly for return or disposal
    Informational PurposesAn informational icon, calling your attention
    Note
    Use ESD wrist strap, Label inverter for MRB and return to packaging, Secure any protective red caps, Return or dispose of packaging through proper channels, Label the part as MRB
  66. Install leak test adapter plug to 12V connector at inverter - placeholder
  67. Install leak test adapter to RDU HV connector - placeholder
  68. Connect regulator to adapter at HV connector
  69. Close both valves on the regulator test tool
  70. Connect regulator to air supply
  71. Turn on regulator and open valve closest to regulator
  72. Set regulator to 1 psi
  73. Open the 2nd valve to inject air into the penthouse
    Informational PurposesAn informational icon, calling your attention
    Note
    Close valve when pressure reaches 1 psi and stable
  74. Wait 45 seconds for pressure to settle
  75. Record start pressure valve
  76. Wait 60 seconds for test
  77. Record end pressure valve
    Informational PurposesAn informational icon, calling your attention
    Note
    If pressure did not drop more than 0.04 psi, continue to next step. If pressure dropped more than 0.04 psi, then inspect for leaks.
  78. Disconnect air supply from regulator tool
  79. Disconnect regulator from leak test adapter at HV connector
  80. Remove leak test adapter from HV connector
  81. Remove leak test adapter plug from 12V connector at inverter - placeholder
  82. Position RH side motor mount
    Informational PurposesAn informational icon, calling your attention
    Note
    Maneuver between drive unit and subframe, if acoustic cover is present on mount, remove and discard,If inverter mount is 1923000-xx-B or older, then replace with 1923000-xx-C or newer
  83. Hand tighten bolts securing RH rear motor mount to inverter and subframe
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, E14, 35 Nm + 55 degrees, 1x bolt, E18, 85 Nm, 1x NVH mass, Revision D subframe will not have NVH mass, If mass present then mass must be reinstalled, Torque at later step
  84. Torque bolts securing RH motor mount to rear drive unit
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, E14, 35 Nm + 55 degrees, Follow torque sequence
  85. Torque RH rear motor mount to subframe
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, E18, 85 Nm, 1x NVH mass, Revision D subframe will not have NVH mass,16 mm hex bolts cannot be used on Revision D subframe, E18 bolts can be used on all subframes, If mass present then mass must be reinstalled,
  86. Remove jack stand from supporting rear drive unit assembly
  87. Secure RH side acoustic cover
    Informational PurposesAn informational icon, calling your attention
    Note
    5x clips, Secure above clips and remaining from below
  88. Install bolt securing ground strap to RDU
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 10mm, 10 Nm
  89. Secure RDU LV harness
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  90. Connect RDU HV connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Inspect connector housing on harness side and inverter side for presence of coolant or any debris, Engage locking tab
  91. Position coolant catcher below rear drive unit
  92. Secure rear inverter coolant hose to gearbox housing
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose clip
  93. Install rear inverter coolant supply hose to inverter
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, Remove plugs from both ends, Perform push-pull test
  94. Raise vehicle fully
  95. Secure lower acoustic cover clips
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips
  96. Secure lower acoustic cover clips
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips
  97. Secure RDU LV harness clip
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  98. Connect RDU logic connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Inspect connector housing on harness side and inverter side for presence of coolant or any debris, Verify lever is fully engaged
  99. Position coolant drain below rear inverter
  100. Install coolant hose onto rear inverter lower fitting
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, Remove plugs from both ends, Perform push-pull-push test
  101. Remove coolant drain container from underneath vehicle
  102. Install RDU HV harness bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, T30 , 10 Nm
  103. Secure RDU header connector to ancillary
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Verify lever is in the upright and open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
  104. Install the rear skid plate. See Skid Plate - Rear (Remove and Install).
  105. Install the LH and RH rear wheels. See Wheel Assembly (Remove and Install).
  106. Perform cooling system vacuum fill. See Cooling System (Vacuum Refill).
  107. Reconnect MV power. See Mid-Voltage Power (Disconnect and Connect) (Modify).
  108. Select ‘Stop Thermal Fluid Fill/Drain’, click ‘Run’, and allow routine to complete
    Informational PurposesAn informational icon, calling your attention
    Note
    Select 'Close' once complete
  109. Run ODIN routine PROC_PMR_X_RESTORE-DATA-BOOT-AND-WRITE-DRIVE-TYPEvia Toolbox:(link)
  110. Run ODIN routine PROC_DIR_X_RESTORE-DATA-APPvia Toolbox:(link)
  111. Run ODIN routine PROC_EGGRIGHT3_X_THERMAL-COOLANT-AIR-PURGE-STARTvia Service Mode Plus:
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
    via Toolbox:(link)
  112. Run ODIN routine TEST-SELF_EGGRIGHT3_X_THERMAL-PERFORMANCEvia Service Mode:
    • Thermal ➜ Actions ➜ Test Thermal Performance
    • Thermal ➜ Coolant System ➜ Test Thermal Performance
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Thermal System Test
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Thermal System Test
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Thermal System Test
    via Toolbox:(link)
  113. Place stanchions around vehicle and set up a safety perimeter before performing resolver error learn
    Informational PurposesAn informational icon, calling your attention
    Note
    Use safety stanchions to section off vehicle before driving vehicle on a lift
  114. Raise vehicle partially and lower lift onto locks
    Informational PurposesAn informational icon, calling your attention
    Note
    Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
  115. Run ODIN routine PROC_DIR_X_RESOLVER-ERROR-LEARNvia Service Mode Plus:Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Resolver Error Learnvia Toolbox:(link)
  116. Remove safety stanchions from around vehicle after resolver learn is completed
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove all stanchions after vehicle is finished with the resolver error learn
  117. Install the bed floor assembly. See Bed Floor Assembly (Long Range) (Remove and Install).
  118. Close the tailgate.
  119. Raise the LH front window and close the LH front door.
  120. Perform test drive
    Informational PurposesAn informational icon, calling your attention
    Note
    Perform a validation test drive after repairDrive a minimum speed of 25mph, Drive in a straight line and check for excessive pull, Verify the steering wheel is centered when vehicle is driving straight, Determine whether an alignment is recommendedAdd correction code 00040100 as needed