Tesla Model 3: Module - Body Controller - LH (Remove and Replace)

Module - Body Controller - LH - Remove

Remove

1. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
2. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
3. Disconnect 12V power. See 12V 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 middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
6. Remove the LH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
7. Remove the driver footwell cover. See Cover - Footwell - Driver (Remove and Replace).
8. Remove the driver knee airbag. See Airbag - Knee - Driver (Remove and Replace).
9. Remove the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).

10. Release the electrical harness clip from the IP carrier.

11. Disconnect the clips that attach the LH front door electrical connectors to the LH body controller module.

12. Release the connector lock, and then remove the electrical connector that attaches the LH front door electrical connector to the LH body controller module.

13. Release the connector lock, and then remove the driver seat electrical connector from the LH body controller module.

14. Release the connector lock, and then remove the instrument panel electrical connector from the LH body controller module.

15. Remove the HVAC electrical connector from the LH body controller module.

16. Disconnect the inline electrical harness connector X909 from the LH body harness, and then separate it from the LH body controller module.

17. Remove and discard the nut that attaches the 12V power cable to the LH body controller module..

18. Disconnect the front wiring harness connector from the LH body controller module.

19. Disconnect the body 3 electrical connector from the LH body controller module.

20. Disconnect the body 1 electrical connector from the LH body controller module.

21. Disconnect the body 2 electrical connector from the LH body controller module.

22. Disconnect the electrical connector from the headliner electrical connector.

23. Release the electrical harness clips that attach the LH body controller module to the body.
24. Move the LH body harness away from the LH body controller module.

25. Release the clip that attaches the LH front door electrical harness to the LH body controller module.

26. Remove and discard the nut that attaches the LH body controller module to the vehicle.

27. Slide the LH body controller upwards to release the W-clip, and then move the LH body controller module out from underneath the instrument panel.
28. Remove the LH body controller module from the vehicle.

29. If the LH body controller module has a shroud installed, release the clips that attach the shroud to the module.

Module - Body Controller - LH - Install

Install

1. Install the clip that attach the shroud to the LH body controller module.

Note: Make sure that both clips are fully seated so that the edge of the shroud is parallel with the line on the back of the LH body controller module.

2. 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.

3. Install new nut that attaches the LH body controller module onto the body.  Torque 6 Nm

4. Install the clip that attaches the shroud drain hose to the tab on the LH body controller module.

5. Install the LH front door harness clip to the LH body controller module.

6. Move the LH body harness towards the left side of the LH body controller module, and then attach the harness clips to the LH body controller module.

7. Connect the electrical connector to the headliner electrical connector.

8. Connect the body 2 electrical connector onto the LH body controller module.

9. Connect the body 1 electrical connector onto the LH body controller module.

10. Connect the body 3 electrical connector onto the LH body controller module.

11. Connect the front wiring connector onto the LH body controller module.

12. Install new nut that attaches the 12V power cable to the LH body controller module.  Torque 8.5 Nm

13. Connect the inline electrical connector X909 to the LH body harness, and then clip it to the LH body controller module.

14. Install the HVAC electrical connector onto the LH body controller module.

Note: Make sure that the HVAC electrical connector is fully seated, and then engage the connector lock.

15. Install the instrument panel electrical connector onto the LH body controller module.

Note: Make sure that the instrument panel electrical connector is fully seated, and then engage the connector lock.

16. Install the driver seat electrical connector onto the LH body controller module.

Note: Make sure that the driver seat electrical connector is fully seated, and then engage the connector lock.

17. Install the electrical connector that attaches the LH front door electrical connector to the LH body controller module.

Note: Make sure that the LH front door electrical connector is fully seated, and then engage the connector lock.

18. Connect the clips that attach the LH front door electrical connectors to the LH body controller module.

19. Connect the electrical harness clip onto the IP carrier.
20. Install the LH footwell duct. See Duct - Footwell - LH (Remove and Replace).
21. Install the driver knee airbag. See Airbag - Knee - Driver (Remove and Replace).
22. Install the driver footwell cover. See Cover - Footwell - Driver (Remove and Replace).
23. Install the LH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
24. Install the LH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Replace).
25. Install the LH instrument panel end cap. See End Cap - Instrument Panel - LH (Remove and Replace).
26. Connect 12V power. See 12V Power (Disconnect and Connect).
27. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
28. Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
29. Update the vehicle firmware.
30. Connect a laptop with Toolbox to the vehicle.
31. Using Toolbox, type Seat in the search field.

Note: Make sure that Actions is selected in Toolbox, if not already.

32. Using Toolbox, click the play button next to PROC_VCLEFT_SEAT-CALIBRATE, and then select Run.
33. Using Toolbox, type Column in the search field.

Note: Make sure that Actions is selected in Toolbox, if not already.

34. Using Toolbox, click the play button next to PROC-VCLEFT_ X_STEERING-COLUMN-CALIBRATION, and then select Run.
35. Using Toolbox, type Window in the search field.

Note: Make sure that Actions is selected in Toolbox, if not already.

36. Using Toolbox, click the play button next to PROC_VCLEFT-VCRIGHT_ X_WINDOW-CALIBRATION, and then select Run.
37. Disconnect the laptop from the vehicle.