2016 Tesla Model X 90DFACTORY OEM SERVICE PROCEDURE

ECU Box - Remove And Install: Remove

  1. Remove the wiper motor assembly:
  2. Release the fir tree clips that secure the 12V harness to the rear of the fusebox bracket.
    G15202844Courtesy of TESLA, INC.
  3. Release the screws that secure the fusebox bracket to the body (torque 7 N.m).
    G15202845Courtesy of TESLA, INC.
  4. Gently pull the fusebox forward.
  5. Release the 2 clips that secure the fuse box harness.
    G15202846Courtesy of TESLA, INC.
  6. Remove the bolts (x2) that secure the wiper mount bracket to the crossbeam (torque 20 N.m).
    G15202847Courtesy of TESLA, INC.
  7. Remove the nuts (x2) that secure the wiper mount bracket to the studs on the bulkhead (torque 20 N.m).
    G15202848Courtesy of TESLA, INC.
  8. Remove the wiper mount bracket from the vehicle.
  9. If equipped, release the 2 clips that secure LHF air suspension line.
    G15202849Courtesy of TESLA, INC.
  10. If equipped, release the 4 nuts that secure the air suspension reservoir (torque 6 N.m).
  11. If equipped, slide the air suspension reservoir to the LH side of the vehicle, then pull it into the underhood area.
    G15202850Courtesy of TESLA, INC.
  12. Release the harness clip from the ECU box.
    G15202851Courtesy of TESLA, INC.
  13. Release the 3 bolts that secure the ECU box to the firewall (torque 6 N.m). Gently pull the ECU forward but do not attempt to remove it at this time.
    G15202852Courtesy of TESLA, INC.
  14. Release the screw that secures the ECU box cover (torque 3 N.m).
    G15202853Courtesy of TESLA, INC.
  15. Depress the 2 tabs to remove the ECU box cover.
    G15202854Courtesy of TESLA, INC.
  16. Disconnect all harnesses inside the ECU box.
  17. Remove the ECU box from the vehicle.
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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.