It is a 2014 Nissan Rogue with the flip key. Installed using guide 75221 back in March of this year. Install was done by soldering. There was no issues during install, and no issues programming the module. I remote started the vehicle for 5 cycles before customer picked it up. No error lights. Customer called last week (8 months later) and said the check engine light came on, and the 4WD error light came on. They took it to the Nissan Dealership and they said the remote start is causing the issue because it was installed incorrectly. #1 I have done this exact install over a dozen times this past year and no one else has has an issue. #2 why would all of a sudden after 8 months it suddenly cause an issue? #3 is it possible there is a lag in the CAN Bus that is causing the error similar to some of the Chryslers where I need to change the firmware? #4 Why would this install be done 13 times on 14-18 Rogues and only this one have an issue?