GMC Yukon Brake Control

Last post on Sep 17, 2008 at 8:26 AM

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What is this discussion about? GMC Yukon, GMC Yukon Denali, GMC Yukon XL, SUV

#1 of 1 GMC Yukon Brake Control by jkincaid Sep 17, 2008 (8:26 am)
I have a 2003 Yukon. Planing a camping trip this weeked with our trailer. Hooked up the brake control and when I pluged in the trailer to the Yukon, Had the Reduced Enigine Power, Traction control and check engine light come on. Unpluged the trailer and was fine. I have towed my BBQ a million times and never had this problem. Why would I get this message when I plug in the toy hauler?