Problem: Headlights and electrical door locks don't work.

A number of queries found searching the Internet points to the CTM, which appears to be costly. I figured since it is a computer chip (or electrical board) why not disconnect the battery for an hour or two and see what happens. Bingo, it fixed the problem (at least for now).

Any comments? I did find a reference to a CTM recall on some of these trucks, but the defined problem was dim headlights only.