Technical Service Bulletins (TSBs) for the 2018 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.

    ENGINE (PWS)

    • TSB #A17167120381195

      Date Announced:
      APR 20, 2016
      NHTSA ID:
      #10093542

      THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #A17167220381196

      Date Announced:
      APR 26, 2016
      NHTSA ID:
      #10093561

      THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #A17167520381197

      Date Announced:
      JUN 08, 2016
      NHTSA ID:
      #10081660

      THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR. Read More »

    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 #A91166420425063

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    • TSB #A91163920420133

      Date Announced:
      APR 18, 2016
      NHTSA ID:
      #10094053

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND RESOLVE ISSUES WITH AUDI CONNECT ONLINE DESTINATION SEARCH, GOOGLE EARTH NAVIGATION VIEW, AND INRIX ONLINE TRAFFIC. Read More »

    • TSB #A91163720425062

      Date Announced:
      APR 14, 2016
      NHTSA ID:
      #10094048

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    • 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 »

    EQUIPMENT

    • TSB #A91166420425063

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #A91166420425063

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092325

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    • TSB #A91163920420133

      Date Announced:
      APR 18, 2016
      NHTSA ID:
      #10094053

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE AND RESOLVE ISSUES WITH AUDI CONNECT ONLINE DESTINATION SEARCH, GOOGLE EARTH NAVIGATION VIEW, AND INRIX ONLINE TRAFFIC. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #A91163720425062

      Date Announced:
      APR 14, 2016
      NHTSA ID:
      #10094048

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #A91166420425063

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092106

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DETERMINE THE STATUS OF ACTIVATION KEYS (THAT AFFECT THE FUNCTION OF AUDI DRIVE SELECT, CRUISE CONTROL, NAVIGATION, BLUETOOTH, SMARTPHONE INTERFACE AND VOICE RECOGNITION), AND HOW TO UPDATE ... Read More »

    • TSB #A17167220381196

      Date Announced:
      APR 26, 2016
      NHTSA ID:
      #10093561

      THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR. Read More »