DTC U1415: Coding Not Completed/Data Fail: Notes
WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
If DTC U1415 is set, diagnose the CAN bus lines.
CAUTION:
When replacing the CAN box unit, always check that the communication circuit is normal. (Check that the voltage is 10 V or more.)