Tesla Model S Owners & Service Manuals

Tesla Model S: Module - Air Suspension - ECU (Remove and Replace)

Tesla Model S (2012-2025) Service Manual / Electrical / Module - Air Suspension - ECU (Remove and Replace)

Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shatter.

Note: Before disconnecting the 12V power supply, ensure that the driver's door window is fully open. Failure to follow this instruction could result in vehicle lockout.

Removal

  1. Move the driver seat to its rearward most position.
  2. Disconnect 12V power.
    • Rear wheel drive (RWD): Refer to procedure.
    • Dual Motor: Refer to procedure.
  3. Remove the center console assembly (refer to procedure).
  4. Carefully peel back the carpet for access. Caution: Take care not to damage component(s).
  5. Remove the bolts (x3) that secure the air suspension mounting bracket to the body (torque metal bracket 8 Nm; plastic bracket 2 Nm).

    Note: The horizontal bolt might be obscured by an acoustic pad. If it is, carefully move the acoustic pad aside for access.

    Module - Air Suspension - ECU (Remove and Replace)

  6. Gently lift up on the bracket and disconnect the harnesses connectors (x2) at the rear of the ECU.

    Module - Air Suspension - ECU (Remove and Replace)

  7. Carefully remove the ECU and bracket assembly from the dash assembly.
  8. Release the bolts (x3) that secure the bracket to the ECU. Remove the ECU from the bracket

    Module - Air Suspension - ECU (Remove and Replace)

Installation

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

  • Run the Toolbox "Air Suspension Variant Coding" procedure.
  • Use Toolbox to update or redeploy the firmware:
    • 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.
  • Perform a ride height calibration (refer to procedure).

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    Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shat

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    Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shat

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    Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shat

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