Technical Service Bulletins (TSBs) for the 2019 S4 are official communications between Audi & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #A91164120436602

      Date Announced:
      APR 27, 2015
      NHTSA ID:
      #10094106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE ISSUES WITH THE REAR SEAT ENTERTAINMENT TABLETS AND HOW TO UPDATE THE SOFTWARE OF THE TABLETS. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #A91164120436602

      Date Announced:
      APR 27, 2015
      NHTSA ID:
      #10094106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE ISSUES WITH THE REAR SEAT ENTERTAINMENT TABLETS AND HOW TO UPDATE THE SOFTWARE OF THE TABLETS. Read More »

    SEATS:MID/REAR ASSEMBLY

    • TSB #A91164120436602

      Date Announced:
      APR 27, 2015
      NHTSA ID:
      #10094106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE ISSUES WITH THE REAR SEAT ENTERTAINMENT TABLETS AND HOW TO UPDATE THE SOFTWARE OF THE TABLETS. Read More »