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HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASELECTRICAL SYSTEM (2 OF 2) -- MODEL 3ELECTRONIC CONTROL MODULESMODULE - BODY CONTROLLER - RH (RHD) - REMOVE AND REPLACEREMOVE
2018 Tesla Model 3 Base

Module - Body Controller - RH (RHD) - Remove and Replace: Remove

2018 Tesla Model 3 BaseSECTION Remove
  1. Disconnect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
  2. Remove the RH footwell duct. See DUCT - FOOTWELL - RH (RHD) (REMOVE AND REPLACE) .
  3. Remove the RH middle A-pillar trim. See TRIM - A-PILLAR - MIDDLE - LH (REMOVE AND REPLACE) .
  4. Remove the RH lower A-pillar trim. See TRIM - A-PILLAR - LOWER - LH (REMOVE AND REPLACE) .
  5. Release the clips that attach the RH front carpet to the RH footwell.
  6. Fold back the RH front carpet.
  7. Disconnect the electrical connectors from the RH body controller module.
    G14744011Courtesy of TESLA, INC.
  8. Release the lock, and then disconnect the RH front door electrical connector from the RH body controller module.
    G14744012Courtesy of TESLA, INC.
  9. Release the connector lock, and then disconnect the driver seat electrical connector from the RH body controller module.
    G14744013Courtesy of TESLA, INC.
  10. Disconnect the instrument panel harness coaxial cable from the RH body controller module.
    G14744014Courtesy of TESLA, INC.
  11. Disconnect the HVAC electrical connector from the RH body controller module.
    G14744015Courtesy of TESLA, INC.
  12. Disconnect the front harness connector from the RH body controller module.
    G14744016Courtesy of TESLA, INC.
  13. Release the clip that attaches the inline electrical connector to the RH body controller module, and then disconnect the electrical connector.
    G14744017Courtesy of TESLA, INC.
  14. Remove and discard the nut that attaches the 12V power cable to the LH body controller module.

    Tip: Use of the following tool(s) is recommended:

    • 10 mm 12-point deep socket
    • 1/4 in std ratchet
    • 1/4 in torque wrench (installation only)
    • 4 in extension
    G14744018Courtesy of TESLA, INC.
  15. Remove the DCDC positive cable from the RH body controller module.

    Tip: Use of the following tool(s) is recommended:

    • 10 mm 12-point deep socket
    • 1/4 in std ratchet
    • 1/4 in torque wrench (installation only)
    • 2 in extension
    G14744019Courtesy of TESLA, INC.
  16. Connect the body 2 electrical connector to the LH body controller module.
    G14744020Courtesy of TESLA, INC.
  17. Connect the body 1 electrical connector to the LH body controller module.
    G14744021Courtesy of TESLA, INC.
  18. Connect the body 3 electrical connector to the LH body controller module.
    G14744022Courtesy of TESLA, INC.
  19. Disconnect the 3 inline electrical connectors at the RH lower A-pillar area.
    G14744023Courtesy of TESLA, INC.
  20. Release the clip that attaches the electrical harness to the RH lower A-pillar area.
    G14744024Courtesy of TESLA, INC.
  21. Release the clips that attach the RH body electrical harness to the RH body controller module.
    G14744025Courtesy of TESLA, INC.
  22. Move the RH body harness away from the RH body controller module.
  23. Release the clip that attaches the wiring harness to the RH body controller module.
    G14744026Courtesy of TESLA, INC.
  24. Remove and discard the nut that attaches the RH body controller module to the body.

    Tip: Use of the following tool(s) is recommended:

    • 10 mm socket
    • 1/4 in std ratchet
    • 1/4 in torque wrench (installation only)
    • 2 in extension
    G14744027Courtesy of TESLA, INC.
  25. Slide the RH body controller upwards to release the W-clip, then move the RH body controller out from underneath the instrument panel, and then remove the RH body controller from the vehicle.
    G14744028Courtesy of TESLA, INC.
  26. If the RH body controller module has a shroud installed, release the clips that attach the shroud to the module.
    NOTE: A shroud should be installed on the new body controller module even if one was not present during removal.
    G14744029Courtesy of TESLA, INC.
    G14744030Courtesy of TESLA, INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.