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plasticmaster's avatar
Sep 04, 2018

Check trailer wiring message 2014 Silverado

My truck is a 2014 Silverado with factory ITBC brake controller built in. While towing my camper this weekend, I would randomly get a message on the dash that said "Check trailer wiring ". A couple seconds later it would say "Trailer connected ". During those couple seconds, I indeed had no brakes on camper. I unplugged the trailer and then firmly plugged it back in, but same thing kept happening. Any ideas what's going on here? Thanks.

12 Replies

  • Many GMs have another connector to the back of the receptacle. Check to make sure it is plugged in tight and the retainers are in place.
    Check trailer connector for loose connections. Hard to do on molded style connector.