Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Service Trailer Brake System light came on without towing

(2007 GMC Sierra 3500 HD)
in Hagerstown, MD on July 23, 2010
The servcie trailer brake system light just came on and i'm not towing anything.
Displaying 1 answers & 1 comments
Popular Answer
on September 29, 2010
turn on the off tow haul mode on end of shifter
on February 29, 2012
that all i have to do and the light will go off,the truck is a 2010 gmc sierra 2500 hd
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
pulling it up like a 6% grade it will overheat and I have to pull over and let it cool down??
when docking trailer, low revving and slow moving steering becomes non-power. Brakes are quite often "soft" even when...
Didn't find what you were looking for?