Replace and Program ECU or Reprogram ECU

To program a replacement or an existing ECU, 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 Rear Differential Clutch Control Module- Programming and follow the on-screen instructions.
4. On the SPS Supported Controllers screen, select Rear Differential Clutch Control Module- Configuration and follow the on-screen instructions.
5. At the end of programming, choose the "Clear DTCs" function on the SPS screen.