2007 Nissan Frontier with codes U1000 and U1001. What is the problem and solution?

Question

2007 Nissan Frontier LE 4.0L with fault codes U1000 and U1001 showing. What is the problem and solution?

Answer 1

U 1001- CAN communication line This means the ECM is not transmitting or receiving CAN communication signal other than ECM.

Answer 2

U1000 Nissan Code - CAN Communication Line Signal Malfunction
Read more: https://www.autocodes.com/u1000_nissan.html

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