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 Instrument Cluster - Programming and follow the on-screen instructions.
4. On the SPS Supported Controllers screen, select Instrument Cluster - Setup and Configuration and follow the on-screen instructions.
NOTE:
• The USB File Transfer procedure requires the use of a USB memory stick. The radio must be on during this procedure. The USB File Transfer procedure is not required for vehicles with UDC.
• Software currently loaded on the USB Drive will be verified and if files are incorrect they will be deleted and correct files will be loaded. If files residing on the USB Drive are correct for the vehicle being serviced, the Techline terminal will not delete those files and allow the drive to be re-used.
• The USB Receptacle used only for programming is the X22 USB Drive Data Connector which is located behind the dash, to the left of the steering column
5. On the SPS Supported Controllers screen, select Instrument Cluster - USB File Transfer and follow the on-screen instructions.
6. If Instrument Cluster fails to read file from USB memory stick, refer to Instrument Cluster Programming Malfunction (with UDD only)
7. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.