Question

2007 Hummer H3 3.7L with engine code P1682, how do I fix it?

Answer 1

Hi there,

This code indicates an issue with the ignition switch. Here is some info for you.

P1682 GMC - Ignition 1 Switch Circuit 2
Read more: https://www.autocodes.com/p1682_gmc.html

Answer 2

P1682 HUMMER - Ignition 1 Switch Circuit 2

Read more: https://www.autocodes.com/p1682_hummer.html