ABS control module failure and warning lights
SERVICE BRAKES, HYDRAULIC
43 NHTSA complaints · 2003-10 → 2017-02
“THE ABS CONTROL UNIT ON MY AUDI A4 FAILED AFTER ONLY 67,000 MILES. I HAVE NO ANTI-LOCK BRAKING WHATSOEVER, AND AUDI HAS DENIED ANY RESPONSIBILITY FOR THE PART SINCE IT IS OUT OF WARRANTY”
“ABS/BRAKE LIGHT JUST STARTED FLASHING. THE ABS BRAKES ARE NOT WORKING ABS MODULE IS THE CAUSE. UNDER HARD BRAKING OR WET CONDITIONS THE CAR SLIDES LOOSES TRACTION. OLD PART IS STILL IN CAR TO EXPENSIVE TO REPLACE RIGHT NOW”
“ABS LIGHT COMES ON INTERMITTENTLY AND ABS SYSTEM IS NOT FUNCTIONAL. ABS SYSTEM ALSO USED IN ELECTRONIC DIFFERENTIAL CONTROL. AUDI DEALER DIAGNOSED AS A ABS CONTROL UNIT FAILURE WITH PART COST OF $2600 PLUS LABOR AND WAS REPAIRED BY AUDI DEALER”