2018 Tesla Model 3 BaseFACTORY OEM SERVICE PROCEDURE

Module - Body Controller - RH (LHD) (Heat Pump) - Remove and Replace: Remove

  1. Open the front doors and lower the windows.
  2. Remove the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
  3. Disconnect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
  4. Remove the LH instrument panel end cap. See END CAP - INSTRUMENT PANEL - LH (REMOVE AND REPLACE) .
  5. Remove the LH air wave end cap. See END CAP - AIR WAVE - LH (REMOVE AND REPLACE) .
  6. Repeat steps  4 and  5 for the RH side of the vehicle.
  7. Remove the main instrument panel decor trim. See DECOR TRIM - INSTRUMENT PANEL - MAIN (REMOVE AND REPLACE) .
  8. Remove the RH middle A-pillar trim. See TRIM - A-PILLAR - MIDDLE - LH (REMOVE AND REPLACE) .
  9. Remove the RH lower A-pillar trim. See TRIM - A-PILLAR - LOWER - LH (REMOVE AND REPLACE) .
  10. Remove the passenger footwell cover. See COVER - FOOTWELL - PASSENGER (LHD) (REMOVE AND REPLACE) .
  11. Remove the front passenger knee airbag. See AIRBAG - KNEE - FRONT PASSENGER (REMOVE AND REPLACE) .
  12. Remove the glove box. See GLOVE BOX - WITH KNEE AIRBAGS (REMOVE AND REPLACE) .
  13. Remove the RH front floor mat.
  14. Remove the RH center console side panel carpet. See SIDE PANEL - CENTER CONSOLE - LH (REMOVE AND REPLACE) .
  15. Release the clips (x3) that attach the RH front carpet to the body at the RH A-pillar.
  16. Fold back the RH front carpet.
    NOTE: Release the seat harness from the clips at the RH door sill to allow the carpet to further fold back.
  17. Remove the nuts (x2) that attach the RH side carpet locator bracket.
    NOTE: Later vehicles may use 2x push clips instead.
    G00651868Courtesy of TESLA, INC.
  18. Release the connector lock, and then disconnect the J7 door electrical connector from the RH body controller module.
    G14743977Courtesy of TESLA, INC.
  19. Release the connector lock, and then disconnect the J9 front passenger seat electrical connector from the RH body controller module.
    G14743978Courtesy of TESLA, INC.
  20. Disconnect the J10 instrument panel electrical connector from the RH body controller module.
    G14743979Courtesy of TESLA, INC.
  21. Disconnect the J11 HVAC electrical connector from the RH body controller module.
    G14743980Courtesy of TESLA, INC.
  22. Release the connector lock, and then disconnect the J1 power electrical connector from the RH body controller module.
    G14743975Courtesy of TESLA, INC.
  23. Release the connector lock, and then disconnect the J4 body electrical connector from the RH body controller module.
    G14743974Courtesy of TESLA, INC.
  24. Disconnect the RH body harness connector.
    G00621765Courtesy of TESLA, INC.
  25. Release the harness clips below the IP carrier.
    G00621766Courtesy of TESLA, INC.
    G00621767Courtesy of TESLA, INC.
  26. Disconnect the J6 underhood storage unit electrical connector from the RH body controller module.
    G00651827Courtesy of TESLA, INC.
  27. Release the connector lock, and then disconnect the J2 body electrical connector from the RH body controller module.
    G14744002Courtesy of TESLA, INC.
  28. Disconnect the J12 body electrical connector from the RH body controller module.
    G14744000Courtesy of TESLA, INC.
  29. Disconnect the J5 body electrical connector from the RH body controller module.
    G14743999Courtesy of TESLA, INC.
  30. Disconnect the connectors from the harness clip at the RH lower A-pillar area.
    G00621768Courtesy of TESLA, INC.
  31. Remove the RH body harness clip from the lower A-pillar area.
    G00621769Courtesy of TESLA, INC.
  32. Remove the RH body harness clips from the RH body controller module.
    G00621770Courtesy of TESLA, INC.
    G00621771Courtesy of TESLA, INC.
    G00621772Courtesy of TESLA, INC.
  33. Move the RH body harness away from the RH body controller module.
  34. Remove and discard the nyloc nut that attaches the RH body controller module to the vehicle.
    G00621775Courtesy of TESLA, INC.
  35. Slide the RH body controller module upwards to release the W clip, maneuver the RH body controller module out from under the IP, and then remove the RH body controller module from the vehicle.
    G00621773Courtesy of TESLA, INC.
    G00621774Courtesy of TESLA, INC.
    G14743987Courtesy of TESLA, INC.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.