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 Hybrid Powertrain Control Module 2 - Programming and follow the on-screen instructions.
4. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
5. With a scan tool, perform the Hybrid/EV Battery Pack Data Reset Function.
6. With a scan tool, perform the Hybrid/EV Battery Pack Capacity Learn Function.
7. With a scan tool, perform the Clear Secured High Voltage DTCs Function.
8. With a scan tool, perform the Hybrid Battery Pack Coolant Control Solenoid Valve Learn procedure.