Inspection Procedure 7: The Timer Lock Function Does Not Work After The Doors Have Been Unlocked By The Keyless Entry System: Notes
WARNING: This page is about a different car, the 2008 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.