Question

2009 Chevrolet Suburban 5.3L with code P0690. Would this cause the vehicle to not run the fuel pump?

Answer 1

HI there

This code means ECM power relay circuit has a problem. If the relay is bad or the wiring to the relay is bad, then the fuel pump will not come on. Here is some more info on the code for you.

P0690 CHEVROLET - Electronic Control Module Power Relay Sense Circuit High
Read more: https://www.autocodes.com/p0690_chevrolet.html