Three problems related to abs brake fail have been reported for the 1998 Audi A4. The most recently reported issues are listed below.
Faulty abs module in my 1998 Audi A4 1. 8t. The electrical component to the abs system fails in many of these similar year Audis and vws, and it appears to be a big problem. The failure of this component can cause deadly accidents, and should be addressed by Audi.
1998 Audi A4 2. 8 quattro- my abs sensor has failed. Abs light is on.
Audi A4 quattro, 1998, 2. 8l abs control module failure. Abs light and blinking break light displayed on dash warning lights. Carrera motors of bend, or defined the problem as no communication/faulty abs control module /n #8e0 614 111m .