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Replace and Program Control Module

Replace Control Module ONLY

To program a replacement control module ONLY, perform the following procedure;

NOTE:

During the procedures listed below, critical data is retrieved from vehicle components and stored in the scan tool computer's hard drive. This data is needed during the programming and setup sequences.

Ensure the same scan tool is used and capable of reading, storing and writing the vehicle's system data.

  1. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Prepare Control Module for Removal and follow the on-screen instructions.
  2. Replace the Power Steering Assist Motor containing the Power Steering Control Module. Refer to Power Steering Assist Motor Replacement .
    NOTE: Step 1 copies the worm gear wear counter data from the power steering control module PRIOR to the module's removal and stores it on the scan tool computer's hard drive.

    AFTER completing step 1, the power steering control module can now be removed and replaced.

  3. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Programming and follow the on-screen instructions.
    NOTE: The next two steps will transfer the vehicle's critical data, including the worm gear wear counter data saved in step 1, back to the vehicle components.
  4. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Configuration and follow the on-screen instructions.
  5. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
  6. Ignition ON.
  7. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Setup and follow the on-screen instructions.
  8. Perform the Steering Angle Sensor Centering and Software Endstop Learning procedure. Refer to Power Steering Control Module Calibration .
  9. Clear all DTCs after completing the programming and setup procedures.

Replace Steering Gear Assembly

To program a new steering gear assembly, perform the following procedure;

  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Programming and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Configuration and follow the on-screen instructions.
  5. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
  6. Ignition ON.
  7. On the SPS Supported Controllers screen, select Electronic Power Steering Control Module - Setup and follow the on-screen instructions.
  8. Perform the Steering Angle Sensor Centering and Software Endstop Learning procedure. Refer to Power Steering Control Module Calibration .
  9. Clear all DTCs after completing the programming and setup procedures.
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