ABS ALWAYS ENGAGING AT LOW SPEEDS, ISSUE CAUSE BY ABS MODULE LOCATED UNDER VECHICLE, GETS WET OR MOISTURE , POOR GM DESIGN, POOR LOCATION TO PIT ELECTRONICS UNDER VECHICLE. ALOTA OF PEOPLE ONLINE HAVE SAME ISSUE SPENING OVER 1000.00 ON NEW MODULE DOES NOT CORRECT PROBLEM PER ONLINE FORUMS.