Reprogram ECU
NOTE:
Some vehicles may be equipped with the handsfree liftgate control option (TC2), it is important to select the correct calibration software for vehicles with or without this option as programming the liftgate with the incorrect software will cause the power liftgate system to become inoperative without any DTCs indicated
NOTE:
The trunk must be completely closed and latched, if the trunk is open or ajar during programming, the power trunk system may become inoperative without any DTCs indicated
To reprogram an existing control module, perform the following procedure:
- Install EL-49642 SPS Programming Support Tool.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K39 Liftgate Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K39 Liftgate Control Module - Setup and follow the on-screen instructions.
- At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
- With a scan tool, perform the Liftgate Relearn. Refer to Liftgate Calibration