what causes a P1650 error code in a 2001 Jetta?

Question

I can clear the error and it comes right back.

Answer 1

HI there

This code means there is an issue with the instrumentation computer. It's not communicating so this code will appear, here is some info on the code.

P1650 VOLKSWAGEN - CAN Data Bus Instrumentation No Signal

Read more: https://www.autocodes.com/p1650_volkswagen.html