Replace and Program Control Module or Reprogram Control Module

To program a replacement or existing control module, 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.
NOTE:

On vehicles equipped with Electronic Suspension Control, it may be necessary to perform the Electronic Suspension Position Sensor Trim Height Calibration procedure before programming the K26 Headlamp Control Module.

3. On the SPS Supported Controllers screen, select K28 Headlamp Leveling Control Module - Programming and follow the on-screen instructions.
4. On the SPS Supported Controllers screen, select K28 Headlamp Leveling Control Module - Setup while following the on-screen instructions.
5. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.