Question

2007 GMC Envoy 4.2L, vehicle runs for a minute and shut off code P1682

Answer 1

HI there

This code means ignition 1 switch circuit 2.

This usually means the vehicle needs a new ignition switch. Here is some more info on the code for you.

P1682 GMC - Ignition 1 Switch Circuit 2

Read more: https://www.autocodes.com/p1682_gmc.html