Tesla Model 3: Connectivity Board - Car Computer (Remove and Replace)

Note: This procedure was formulated using a release candidate or
production model. Follow safety requirements and use extreme caution when
working on or near high-voltage systems and components.
Remove
- Remove the front passenger knee airbag. See Airbag - Knee - Front
Passenger (Remove and Replace).

- Disconnect the electrical connector from the connectivity board.

- Remove the bolt that attaches the connectivity board to the car computer.
- Carefully slide the connectivity board downwards, and then remove the
board from the car computer.
Caution: Do not pull on the double Fakra electrical connector. Push on
the outer tabs to release the board from the car computer.
Install
- Locate the connectivity board into the car computer aperture.
Note: Use the top cover and car computer frame for initial guidance.
- Carefully press the front face of the connectivity board into the car
computer.
- Confirm that the connectivity board is fully inserted; slide the
connectivity board about 80% inward, and then slightly press the double
Fakra connector until the connectivity board is fully seated
Note: The LTE cassette must be sub-flush of the car computer frame
before continuing to the next step
- Install the bolt that atttches the connectivity board to the car
computer.
Torque 1 Nm
- Connect the electrical connector to the connectivity board.
- Install the front passenger knee airbag. See Airbag - Knee - Front
Passenger (Remove and Replace).
- Use Toolbox to update the vehicle firmware.
- Perform a functional check of the LTE service.
READ NEXT:
Remove
Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd
Row (Remove and Replace).
Remove the rear underhood apron. See Underhood Apron - Rear (Remove and
Replace).
Remove
DRAFT
Warning:
This procedure was derived from pre-production computer models, and
might not reflect the real-world situation. Warnings and cautions might be
missing. Follow safety requirements a
SEE MORE:
SPECIAL TOOLS
Tool, Oil Pump Screen Removal, Model 3 (1140378-00-A)
Remove
Remove the oil pump. See
Oil Pump - Rear Drive Unit (Remove and Replace).
Use the special tool to remove the oil screen from the rear drive unit.
Install
Installation procedure is the reverse of removal
Vent Assembly - HV Battery - LH- Remove
Remove
Use Toolbox to put the vehicle into Factory Mode.
Invoke diagnostics on the touchscreen.
Inspect the Notifications for either a BMS_a123 or a BMS_W123 alert.
If:
Either alert is present - Contact Service Engineering. Do not perform
this proced