Tesla Model S Owners & Service Manuals

Tesla Model S: Module - Body Controller - BCM (Dual Motor) (RHD) (Remove and Replace)

Tesla Model S (2012-2025) Service Manual / Electrical / Module - Body Controller - BCM (Dual Motor) (RHD) (Remove and Replace)

Removal

  1. Move both front seats to their rearmost positions.
  2. Disconnect 12V power.
    • Rear wheel drive (RWD): Refer to procedure.
    • Dual Motor: Refer to procedure.
  3. Release the active suspension ECU module and move it out of the working area (refer to procedure).
  4. Remove the RH footwell cover (refer to procedure).
  5. Release the trim clips (x3) that secure the driver's footrest to the footrest dead pedal. Remove the driver's footrest.
  6. Carefully peel back the front RH carpet for access. Caution: Take care not to damage component(s).
  7. Remove the nuts (x2) that secure the driver's footrest dead pedal. Remove the driver's footrest dead pedal.
  8. Release the barrel clips that secure the Body Control Module (BCM) harness to the bulkhead.
  9. Release the edge clip that secures the BCM harness to the LH side of the bracket.
  10. Remove the screws (x2) that secure the BCM bracket to the bulkhead. Gently pry the BCM bracket away from the bulkhead.
  11. Disconnect the harness connectors (x8) from the BCM.
  12. Remove the bolts (x4) that secure the BCM to the BCM bracket.

    Module - Body Controller - BCM (Dual Motor) (RHD) (Remove and Replace)

  13. Remove the BCM from the vehicle without the bracket.
Installation

Installation procedure is the reverse of removal, except for the following:

  1. Use Toolbox to update or redeploy the firmware: Note:
    • If the vehicle is not running the latest firmware, run the "Vehicle Firmware Update" procedure.
    • If the vehicle is running the latest firmware, run the "Firmware Redeploy" procedure.
  2. In the Toolbox "Pektron Body Controls Configuration" panel, select "Body Controller" and press the Play button.
  3. Relearn all keys (refer to procedure).
  4. Use Toolbox to reset the immobilizer.

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