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Home >> Tesla >> 2014 >> Model S Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Seats -- Model 3) >> Front Seat Tracks and Motors >> Module (ECU) - Occupant Classification System (OCS) - Front Passenger - Remove and Replace >> Remove
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Module (ECU) - Occupant Classification System (OCS) - Front Passenger - Remove and Replace: Remove

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Tesla Model 3, 2022 Tesla Model 3, 2021 Tesla Model 3, 2020 Tesla Model 3, and 2019 Tesla Model 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check that the firmware is version 2023.2.11 or above. If the firmware version is not 2023.2.11 or above, update the vehicle firmware.
  2. Open the RH front door and lower the RH front window.
  3. Move the front passenger seat forward and raise the seat to the highest position.
  4. Disconnect the self capacitance trace connector from the OCS ECU module.
    G00621778Courtesy of TESLA, INC.
    G00621779Courtesy of TESLA, INC.
  5. Disconnect the RH front seat harness connector from the OCS ECU module.
    G00621780Courtesy of TESLA, INC.
  6. Release the tabs (x2) that attach the front passenger OCS ECU module to the seat assembly, and then remove the module from the vehicle.
    G00621778Courtesy of TESLA, INC.
    G00621781Courtesy of TESLA, INC.
    G00621782Courtesy of TESLA, INC.
    G00621783Courtesy of TESLA, INC.
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