cooter48c Posted December 21, 2017 Report Share Posted December 21, 2017 Have a 2009 chevy 3500, I just bought a couple months ago, anyway. Message in info window says TRAILER BRAKING SYSTEM NEEDS SERVICE has anyone come across this before and if so what H---- are they talking about? It does have the factory brake controller built-in. Link to comment Share on other sites More sharing options...
Racer26 Posted December 21, 2017 Report Share Posted December 21, 2017 Mine did the same thing. It sensed something wrong with the trailer. I cleared it with my programmer and haven't had the code since. Link to comment Share on other sites More sharing options...
cooter48c Posted December 21, 2017 Author Report Share Posted December 21, 2017 Oh should've said trailer isn't even pulled in! Link to comment Share on other sites More sharing options...
Nathan Posted December 22, 2017 Report Share Posted December 22, 2017 pull the code and clear them Link to comment Share on other sites More sharing options...
cooter48c Posted December 22, 2017 Author Report Share Posted December 22, 2017 2 hours ago, Nathan said: pull the code and clear them And then what? Link to comment Share on other sites More sharing options...
Nathan Posted December 22, 2017 Report Share Posted December 22, 2017 look the code up to see what it says is the problem. also after you clear it if it doesn't come back then it may just be a glitch. Link to comment Share on other sites More sharing options...
sm002 Posted December 22, 2017 Report Share Posted December 22, 2017 If you pull a trailer and there is an issue with wiring on trailer you can get that message as well. Link to comment Share on other sites More sharing options...
cooter48c Posted December 22, 2017 Author Report Share Posted December 22, 2017 Pulled trailer today everything was great Link to comment Share on other sites More sharing options...
cooter48c Posted February 19, 2018 Author Report Share Posted February 19, 2018 Turns out problem with brake light switch, thanks for everyone's help Link to comment Share on other sites More sharing options...
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