25/03/2024 17:24:45

Module - Air Suspension - ECU (Remove and Replace)

Correction Code 31100102

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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 shatter.
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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.
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Note
Vehicles built before 11 April 2016 are equipped with Electronic Air Suspension (Continental), vehicles built on or after 11 April 2016 are equipped with Tesla Air Suspension.

Removal

  1. Move the driver seat to its rearward most position.
  2. Disconnect 12V power (refer to procedure).
  3. Remove the center console assembly (refer to procedure).
  4. Carefully peel back the carpet for access.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    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).
    Informational PurposesAn informational icon, calling your attention
    Note
    The horizontal bolt might be obscured by an acoustic pad. If it is, carefully move the acoustic pad aside for access.
  6. Gently lift up on the bracket and disconnect the harnesses connectors (x2) at the rear of the ECU.
  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

Installation

Installation procedure is the reverse of removal, except for the following:
  1. After installation is complete, connect a laptop to the diagnostic port of the vehicle, and then use Toolbox 3 to locally connect to the vehicle.
  2. Unlock the vehicle gateway for diagnostic communication. See Gateway Unlock.
  3. The following steps are only required for vehicles that are equipped with Continental Electronic Air Suspension (vehicles built before 11 April 2016).
    • If the vehicle is built on or after April 11, 2016, go to step 6.
    • If you don't have the vehicle's birth date, go to the next step.
  4. Use Toolbox 3 to identify the vehicle's air suspension type by reading the Gateway configuration parameter value for cfg_airsuspension. See Gateway Configuration (Display and Change).
    • If the value for cfg_airsuspension is "standard" or "plus", the vehicle is equipped with Continental Electronic Air Suspension. Go to the next step.
    • If the value for cfg_airsuspension is other than "standard" or "plus", the vehicle is not equipped with Continental Electronic Air Suspension. Go to step 6.
  5. Using Toolbox 3:
    1. Select the Actions tab and search for "Set Variant Code".
    2. Select the ODIN routine PROC_EAS_X_SET-VARIANT-CODESearch for routine in ToolboxSet EAS Variant Code (CONTI), and then click the link of the routine.
    3. Click RUN, and allow the routine to complete.
  6. Reinstall the latest vehicle firmware, or update the firmware if not the latest. See Firmware Reinstall - Touchscreen or Firmware Update.
  7. Perform the air suspension calibration procedure. See Ride Height - Adjust