Question

2008 Nissan Armada V8 with code U1001. I made some changes to 1 fuss the VDC and slip light com. The code fault u1001

Answer 1

Hi there,

This code indicates an issue with the CAN communication. This is most likely a result of a poor harness ground connection. Here is some info for you. 

U1001 NISSAN - Invalid or Missing Data for Primary Id
Read more: https://www.autocodes.com/u1001_nissan.html#disq