Recent content by bhobs

Bummer! I had similar issues that led to the dealer diagnosing a bad TCCM. Maybe this thread of my experience will help you to see the symptoms of my bad TCCM: 4WD Actuator Issues

I bit the bullet and took the truck to the dealer: "Found DTCM internal driver to be burnt out causing actuator to not receive proper power. Replaced DTCM and 4WD was functioning properly but serive 4WD light illuminated due to internal brake of shift motor being weak. Shift motor replaced. Test...

Well, I just installed a new battery and the problem persists. Bummer. That would have been an easy fix. The main grounds looked good too.

Thanks for the ideas. I know I have water leak issues on the back window and the dealer has a plan in place to resolve it under the extended warranty.

Here is what my scan pulled. I uploaded a youtube video to show the sequence of errors whenever I shift into any 4WD option (while in Park, in neutral, in drive...it doesn't matter). Thanks for your help!

Unfortunately I installed the Dorman actuator and have the same issues with the Dorman. Any suggestions for next steps?

Thanks. I bought the Dorman🤞

I've read several threads on this and I'm still stuck. The truck runs great. I shift into 4WD Auto (or any 4WD option) and after a few seconds, I get several errors: ESC, Trailer Brake, and Service 4WD and then the bottom 4WD lights flash. When I shift into park, the parking brake engages and I...