Other Engine Info: 50-St/Can. BIN 9 / LEV emission std.
Emissions Certification Test Group: 6ADXV04.2345
Other Restraint System Info: Active Seat Belt.
Plant City: Karmann - Rheine
Plant Country: Germany
Seat Belts All: Manual
Series: Cabriolet quattro
Vehicle Type: PASSENGER CAR
Model year
COMPONENT
Complaint
2000
SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE
WHILE DRIVING ALONG CA-35 (SKYLINE BOULEVARD) AT APPROXIMATELY 45 MPH ON SATURDAY, APRIL 2, 2005 DURING LIGHT TO MODERATE BRAKING AROUND A CURVE, BOTH THE ABS AND BRAKE WARNING LIGHTS ON MY 2000 AUDI S4 CAME ON, ALONG WITH 3 WARNING TONES. SIMULTANEOUSLY, A SUDDEN CHANGE IN BRAKE FEEL WAS DETECTED ALONG WITH A "THUNK" NOISE FROM THE FRONT REGION OF THE VEHICLE. THE FOLLOWING WEEK, I HAD THE CAR INSPECTED BY TWO INDEPENDENT SERVICE AND REPAIR ORGANIZATIONS, BOTH OF WHICH CONFIRMED AN INTERMITTENT ELECTRONIC FAILURE IN THE VEHICLE'S ABS CONTROL MODULE (A $1000+ PART). SINCE THEN, THE VEHICLE EXPERIENCES 3-4 OF THESE INTERMITTENT FAILURES DURING THE COURSE OF A DRIVING DAY. WHEN THE FAILURE OCCURS WHEN THE VEHICLE IS NOT BRAKING, IT'S ANNOYING BUT SOMEWHAT INCONSEQUENTIAL. HOWEVER, WHEN THE PROBLEM HAPPENS DURING BRAKING, THERE IS DEFINITELY A MARKED CHANGE IN BRAKING BEHAVIOR AS THE ABS CONTROLLER GOES OFFLINE. UNDER EMERGENCY BRAKING SITUATIONS, I IMAGINE SUCH A FAILURE COULD BE A SUBSTANTIAL SAFETY AND RISK ISSUE. SOMEWHAT TAKEN ABACK BY THE TOTAL ESTIMATED REPAIR COSTS OF $1600+, I DECIDED TO DO SOME INVESTIGATION INTO THE PROBLEM AT SITES SUCH AS THIS (NHTSA ODI), AUDIWORLD.COM AND THE WEB AT LARGE. WHAT I FOUND IS A CONSISTENT PATTERN OF THIS SORT OF FAILURE ACROSS A WIDE SWATH OF AUDI MODELS DURING 1999 TO 2000. FURTHER, I HAVE ALSO LEARNED THAT THE ORIGINAL PART INSTALLED ON THE VEHICLE WAS REV. A AND REPLACEMENT PARTS BEING INSTALLED ARE REV. E. CONVEYING THIS INFORMATION TO AUDI'S CLIENT SERVICES THROUGH TWO WRITTEN LETTERS RESULTED IN NO ACTION ON THEIR PART BEYOND A CONFIRMATION OF "YOUR VEHICLE IS OUT OF WARRANTY, YOU MUST BEAR THE COST OF THIS REPAIR." THAT'D BE FINE WERE THIS A WEAR OR MAINTENANCE ITEM OR DUE TO MY OWN NEGLIGENCE; HOWEVER, I BELIEVE THE EVIDENCE STRONG THAT THIS IS A DESIGN AND/OR QUALITY CONTROL PROBLEM ON A CRITICAL VEHICLE SAFETY SYSTEM.
2006
EXTERIOR LIGHTING
MY 2006 AUDI S4'S LOW BEAM HEADLIGHTS FLICKER WHILE DRIVING ON VERY COLD DAYS. OCCASIONALLY, MY LEFT OR RIGHT HEADLIGHT WILL TURN OFF COMPLETELY. I HAVEN'T HAD BOTH GO OUT AT THE SAME TIME, BUT I AM WORRIED THAT THIS WILL OCCUR EVENTUALLY. THE FLICKERING IS VERY DANGEROUS AS IT HAPPENS AT LOW SPEED WHILE I AM DRIVING THROUGH MY NEIGHBORHOOD. I AM WORRIED THAT I WILL NOT BE ABLE TO SEE CHILDREN CROSSING THE STREET GOING TO SCHOOL. I HAVE HAD THE CAR SERVICED BY THE AUDI DEALER FOR THIS ISSUE AND IT IS STILL OCCURRING. *TR