[CraigB in FL]

Originally Posted by dpam

I don't know if the issue is similar, but I used to have a "trailer disconnected" message and had no trailer brakes. Took my 2008 GMC to the dealer and they found that the front brake sensor was causing the problem. After they found the problem and I assume they cleaned or did soemthing with the sensor (they didn't replace it) I haven't had a problem since.

dpam,

Just to confirm, that sensor was on your truck? Having the same problem with my F-350 and I've heard a few chirps from a front wheel. I'd like to rule that out before I go chasing shorts on the trailer.

Thanks!