Service Trailer Brake System message
On my lunch break today, I drove my truck to the store, which is 5 minutes away. While driving the "service trailer brake system " message chimed and came up on the dash. It did this several times. I ...
Forum Discussion
You should look at the Duramax forums. Lots of advice on that forum. It is probably not a dirty connector, maybe a corroded wire, or a steering stabilizer or a number of other things. I have only had that come on when connected to a trailer and Dielectric grease worked great.
