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Home >> Tesla >> 2024 >> Model 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Electrical System (2 Of 2) -- Model 3 >> Electronic Control Modules >> Body Controllers - Assembly, Left Controller GEN 3.5 - Remove And Replace >> Install

Body Controllers - Assembly, Left Controller GEN 3.5 - Remove And Replace: Install

  1. Maneuver the LH body controller module into position under the IP carrier. Align the W-clip with the body cutout, and then slide down to attach the LH body controller module to the body.
    WARNING: The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.
    multimedia:A supplement to the article is available.
  2. Install a new bolt that attaches the LH body controller module onto the vehicle.

    4.75 N.m (3.5 lbs-ft) 

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

    • Ratchet/torque wrench
    • 10 mm 12-point deep socket
    • 2 in extension
    • Ratchet/torque wrench (for installation only)
    G16596163Courtesy of TESLA, INC.
  3. Install the clips (x2) that attach the LH body harness to the LH body controller module and A-pillar.
    G16596164Courtesy of TESLA, INC.
  4. Install the clips (x2) that attach the front body harness to the LH body controller module.
    G16596165Courtesy of TESLA, INC.
  5. Connect the front body harness electrical connector X909 to the LH body controller module.
    G16596166Courtesy of TESLA, INC.
  6. Connect the body 2 electrical connector J4 to the LH body controller module.
    G16596167Courtesy of TESLA, INC.
  7. Connect the body 3 electrical connector J5 to the LH body controller module.
    G16596168Courtesy of TESLA, INC.
  8. Connect the underhood storage unit electrical connector J6 to the LH body controller module.
    G16596169Courtesy of TESLA, INC.
  9. Connect the body 1 electrical connector J2 to the LH body controller module.
    NOTE: Ensure the electrical connector is fully seated, then engage the lock.
    G16596170Courtesy of TESLA, INC.
  10. Connect the LV power cable to the LH body controller module.
    G16596171Courtesy of TESLA, INC.
  11. Connect the HVAC electrical connector to the LH body controller module.
    G16596172Courtesy of TESLA, INC.
  12. Connect the IP harness electrical connector J10 to the LH body controller module.
    NOTE: Ensure the electrical connector is fully seated, then engage the lock.
    G16596173Courtesy of TESLA, INC.
  13. Connect the LH front seat harness electrical connector to the LH body controller module, then engage the lock.
    G16596174Courtesy of TESLA, INC.
  14. Connect the LH front door electrical connector J7 to the LH body controller module.
    NOTE: Ensure the electrical connector is fully seated, then engage the lock.
    G16596175Courtesy of TESLA, INC.
  15. Install the LH footwell duct. See INTERIOR DUCTING AND VENTS - IP, DRIVER, FOOTWELL, DUCT - REMOVE AND REPLACE .
  16. Install the driver footwell cover. See DASH PANEL - DRIVER FOOTWELL COVER ASSEMBLY - REMOVE AND REPLACE .
  17. Install the LH lower A-pillar trim. See A - B - C POST INTERIOR TRIM - A - PILLAR LOWER ASSEMBLY, LH - REMOVE AND REPLACE .
  18. Install the LH instrument panel end cap. See DASH PANEL - END CAP, LH - REMOVE AND REPLACE .
  19. Connect the LV power. See LV BATTERY - LI-LON - DISCONNECT AND CONNECT .
  20. Install the rear underhood apron. See UNDERHOOD TRIM - REAR APRON ASSEMBLY - REMOVE AND REPLACE .
  21. Connect the vehicle to a laptop with Toolbox 3.0.
  22. Close the LH front door, open the RH front door, sit in the front passenger seat and then close the RH front door.
  23. Reinstall the software. See SOFTWARE REINSTALL - TOUCHSCREEN .
  24. In Toolbox 3.0, perform the following steps.
    1. For vehicles running firmware versions 2023.44 up to, but not including, 2024.8, select PROC_VCSEC_X_SET-ROOT-KEY-TO-ALL-REGIONS (i)  , and then click Run  and allow the routine to complete.
    2. Click the Actions  tab, type "PROC_VCLEFT" into the search field, click PROC_VCLEFT_X-POST-REPLACEMENT-PROCEDURE(i) , click Run  , and allow the routine to complete.
      NOTE: Keep the driver seat clear of all objects during calibration.
    3. Click the Actions  tab, type "PROC_VCSEC" into the search field, click PROC_VCSEC_X_POST-REPLACEMENT-PROCEDURE(i) , click Run  , and allow the routine to complete.
    4. Click the Actions  tab, type "PROC_VCSEC_C_PAIR-NFC-CARD-V2" into the search field, click PROC_VCSEC_C_PAIR-NFC-CARD-V2(i) , click Run  , and allow the routine to complete.
  25. Close the RH front door and open the LH front door.
  26. Disconnect the laptop from the vehicle.
  27. Disable Service Mode. See SERVICE MODE .
  28. Move the LH front seat to original position.
  29. Raise all windows and close the LH front door.
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