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. Connect the drive motor battery charger cable.
3. Access the Service Programming System (SPS) and follow the on-screen instructions.
4. On the SPS Supported Controllers screen, select Battery Charger - Programming and follow the on-screen instructions.
5. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
6. Vehicle in Service Mode.
7. With a scan tool, select Hybrid/EV Powertrain Control Module 2 Configuration/Reset Functions. Perform the Learn Functions - Hybrid/EV Battery Pack Charging Adaptive Learn Reset and follow the on-screen instructions.
8. Fully charge the battery to set the initial vehicle range. This range will adjust as the battery is charged and discharged through normal operation.