"Service trailer brake system" on 2016 GMC
Have a 2016 GMC 3500, 6.0 gas job with 57K miles. Constantly now my computer screen beeps "Service Trailer Brake System", even when no trailer is hooked to truck.. took to my local trailer guy, he ...
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Not that anyone cares lol, but I figured I would update this post incase someone searches this in the future.
I ended up trying out the cheapest and easiest part to replace, bascially throwing parts at it, and bam it worked. My factory trailer brake controller was the problem. I had one sent via Amazon, $43 later changed it out and works like new. No more stupid computer telling me to service trailer brake system. I love my GMC's, but kinda crazy the factory brake controller went bad on a 3 year old truck with 57k miles. O well, could be worse
I ended up trying out the cheapest and easiest part to replace, bascially throwing parts at it, and bam it worked. My factory trailer brake controller was the problem. I had one sent via Amazon, $43 later changed it out and works like new. No more stupid computer telling me to service trailer brake system. I love my GMC's, but kinda crazy the factory brake controller went bad on a 3 year old truck with 57k miles. O well, could be worse
My 2016 2500 constantly shows codes on the screen for the fact same thing , enem the stabil link and ABS & brake light just started
thank you posting this 👍👍
