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HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEELECTRICAL SYSTEM (2 OF 2) -- MODEL 3KEYLESS ENTRY AND SECURITYMODULE - BODY CONTROLLER - SECURITY - REMOVE AND REPLACEREMOVE
2018 Tesla Model 3 Base

Module - Body Controller - Security - Remove and Replace: Remove

2018 Tesla Model 3 BaseSECTION Remove
  1. Open all doors and lower all windows.
    NOTE: Latch the rear doors with the doors open using a small flat blade screwdriver to prevent an accidental lockout.
  2. Remove the 2nd row lower seat cushion. See SEAT CUSHION - LOWER - 2ND ROW (REMOVE AND REPLACE) .
  3. Move the driver seat and front passenger seat fully rearward and to the lowest position.
  4. Remove the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
  5. Disconnect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
  6. Open the center console armrest fully.
  7. Remove the LH and RH center console decor trims. See DECOR TRIM - CENTER CONSOLE - LH (REMOVE AND REPLACE) .
  8. Remove the screws and release the tabs that attach the LH bright strip to the center console, and then remove the strip from the console. Repeat this step to remove the RH bright strip.

    LH shown, RH similar 

    G14744353Courtesy of TESLA, INC.
  9. Release the clips (x6) that attach the cup holder decor panel to the cup holder assembly, and then separate the cup holder decor panel from the center console assembly.
    G14744354Courtesy of TESLA, INC.
  10. Disconnect the electrical connector from the security body controller module, and then remove the cup holder decor panel from the vehicle.
    G14744355Courtesy of TESLA, INC.
  11. Remove the screws (x2) that attach the security body controller module to the cup holder decor panel, and then remove the security body controller module from the panel.

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

    • Torx T20 socket
    • Ratchet/torque wrench
    • Wiha TorqueVario-S 0.80Nm - 2.0Nm
    • Wiha 1/4" Bit Holder Adapter

    G14744356Courtesy of TESLA, INC.
    G14744357Courtesy of TESLA, INC.
RENDER: 1.0x

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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.