Reprogram ECU (UDV or UHS)

To program a replacement or an existing ECU, perform the following procedure:

1. Ignition ON/Vehicle in Service Mode.
NOTE:

Ensure programming of this module is performed using the EL-52100 (MDI 2). Using the EL-47955 (MDI) will result in a programming failure.

2. Access the Service Programming System (SPS) and follow the on-screen instructions.
3. Ignition/Vehicle OFF.
4. On the SPS Supported Controllers screen, select P16 Instrument Cluster - Graphics Programming and follow the on-screen instructions.
5. On the SPS Supported Controllers screen, select P16 Instrument Cluster - Programming and follow the on-screen instructions.
NOTE:

If Ethernet programming fails, ensure Instrument Cluster is communicating over ethernet properly. Refer to Scan Tool Does Not Communicate with Vehicle

7. Clear DTCs.