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Home >> Tesla >> 2024 >> Model 3 Long Range >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Infotainment System -- Model 3 >> Antennas and Amplifiers >> Antennas and Amplifiers - TLA, Telematics Control Unit (TCU) - Remove And Replace >> Remove

Antennas and Amplifiers - TLA, Telematics Control Unit (TCU) - Remove And Replace: Remove

  1. Open all doors and lower all windows.
  2. Move the LH front seat fully forward.
  3. Move the LH front seat backrest forward to gain access to the LH middle and upper B-pillar trims.
    CAUTION: Take care of the headliner, sun visor and glass. DO NOT damage them.
  4. Remove the LH side rail trim. See A - B - C POST INTERIOR TRIM - SIDE RAIL ASSEMBLY, LH - REMOVE AND REPLACE .
  5. Push to open the LH rear coat hook.
  6. Use a small flat head screwdriver to pry open the LH rear coat hook screw cover.
    G16600850Courtesy of TESLA, INC.
  7. Remove the screw that attaches the LH rear coat hook to the body.

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

    • Cordless Ratchet/Impact Driver
    • 2 in extension
    • Torx T25 socket
    • Torque Wrench Hexagon - 1060071-00-A (for installation only)
    G16600851Courtesy of TESLA, INC.
  8. Release the LH primary front and real side body seals that cover the B pillar middle and upper trims to gain access to the LH middle and upper B-pillar trims.
    NOTE: It is not necessary to remove the whole primary seals.
    G16600852Courtesy of TESLA, INC.
  9. Release the clips (x5) and locator pins (x3) that attach the LH middle B-pillar trim to the body.
    NOTE: Carefully pull the top of the LH middle B-pillar trim towards the inside of the vehicle to release the clips and locators, and then separate the middle trim from the upper trim.
    CAUTION: Take care not to damage the LH middle B-pillar trim.
    G16600853Courtesy of TESLA, INC.
  10. Release the clips (x3) ad locator pins (x3) that attach the LH upper B-pillar trim to the body, and set the upper trim aside.
    NOTE: Pull the bottom of the LH upper B-pillar trim towards the inside of the vehicle, and then pull the top of the trim to release the remaining upper clips.
    G16600854Courtesy of TESLA, INC.
  11. Repeat step  2 through step  10 on the RH side of the vehicle.
  12. Disconnect LV power. See LV BATTERY - LI-LON - DISCONNECT AND CONNECT .
  13. Release the clips (x6) and locator pin that attach the rear end of the headliner to the body.
    NOTE: If needed, carefully insert inflatable air bags between the headliner and the body and inflate the bags to gain access to the Telematics control unit (TCU).
    CAUTION: Take care not damage the headliner.
    G16600855Courtesy of TESLA, INC.
    G16600856Courtesy of TESLA, INC.
  14. If equipped, slide the retaining tab of the telematics control unit (TCU) SIM card to the left, and then remove the SIM card.
    NOTE: Do not destroy the SIM card, as it will be installed into the new TCU.
  15. Disconnect the RH body electrical harness from the TCU connectors (x2).
    G16600857Courtesy of TESLA, INC.
  16. Remove the bolts (x2) that attach the TCU to the body.

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

    • Cordless Ratchet/Impact Driver
    • 2 in extension
    • 10 mm deep socket
    • Ratchet/torque wrench
    G16600858Courtesy of TESLA, INC.
  17. Release the clips (x2) and locator pin that attach the TCU to the body, and then remove the TCU from the vehicle.
    G16600859Courtesy of TESLA, INC.
    G16600860Courtesy of TESLA, INC.
    G16600861Courtesy of TESLA, INC.
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