My buddy has a new 2010 that says service brake system also. He just won the truck at the George Strait ropin and had to put a new turbo in with only 92 miles! Is there a fuse or relay to check for this?
04.5 LLY 2500HD GMC QCSB 4X4
PPE Xcelerator on level 2, EGR blocker plate, 4" TBE, Front Full replacement
Gone but not forgotten
97 Dodge 3500 4x4 5 speed handshaker
Plate ground & full forward, DDP 90 hp injectors, 5" turbo back exhaust, Cowl induction hood, 5%+20% tint, Southwest fabricators front and rear (saved my life!) R.I.P. Mightey Whitey