2025-03-12

SIM Card - Telematics Control Unit (TCU) (Remove and Replace)

Correction code 2110010302 FRT 0.18 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

Table 1. Torque Specifications: Telematics Control Unit (TCU) (Remove and Install)
Description Torque Value Recommended Tools Reuse/Replace Notes
Bolts (x2) that attach the TCU to the body
14 Nm (10.3 lbs-ft)
  • 13 mm deep socket
 Reuse

Remove

  1. Remove the rear headliner trim. See REAR HEADLINER (Remove and Replace).
  2. Remove the bolts (x2) that attach the TCU to the body, and then remove the TCU from the vehicle.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not pull the TCU too far from the vehicle, as the TCU is still attached by 2 electrical connectors.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 13 mm deep socket
  3. Slide the retaining tab of the telematics control unit (TCU) SIM card to the left, and then remove the SIM card.
  4. Destroy the SIM card by cutting the card in half through the center, and then cut each piece into half, resulting in 4 pieces.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    It is mandatory to destroy the SIM card to protect user data.

Install

  1. Install the new SIM card into the telematics control unit (TCU) slot with the gold pads facing downward.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Make sure that the SIM card goes into the slot, before releasing your grip of the SIM card.
    Informational PurposesAn informational icon, calling your attention
    Note
    Once the SIM card is fully pressed into the slot, the retaining tab will automatically return to its original position.
  2. Position the TCU to the vehicle, and then install the bolts (x2) that attach the TCU to the body.
    14 Nm (10.3 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 13 mm deep socket
  3. Install the rear headliner trim. See REAR HEADLINER (Remove and Replace).
  4. Enter the Service Mode. See Service Mode.
  5. On the touchscreen, touch Infotainment > Connectivity and confirm the connection in cellular panel is normal, and then disable WiFi and confirm web browser pages are normally loaded.
  6. Exit Service Mode. See Service Mode.
  7. Raise the LH front window and close the LH front door.