As long as your ABS light is on, you will not have your anti-lock brakes working. It's the ABS unit that actually does the anti-lock braking. Fix the ABS problem, the anti-lock brakes work just as before.
2008 2500HD LT CCLB/Ally. Line-X, B&W Companion, MaxLoader Springs, Edge Insight CTS, Kennedy Custom ECM
2009 Arctic Fox 5er, Silver Fox Edition 29-5T, 3.6 Onan LPG, SteadyFast Stabilizers