Technical Service Bulletins (TSBs) for the 2018 A4 allroad 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

    • TSB #A57162620220327

      Date Announced:
      JUN 28, 2016
      NHTSA ID:
      #10093410

      THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING INFORMATION FOR THE VEHICLE LOCKING SYSTEM. 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: INSTRUMENT CLUSTER/PANEL

    • TSB #A17167720381198

      Date Announced:
      SEP 16, 2016
      NHTSA ID:
      #10091577

      THIS BULLETIN DETAILS INSTRUCTIONS ON HANDLING WHEN THE OIL MINIMUM MESSAGE APPEARS BUT THE OIL LEVEL IS ABOVE MINIMUM BUT NOT OVERFILLED. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #A91167320436603

      Date Announced:
      SEP 14, 2016
      NHTSA ID:
      #10095124

      THIS BULLETIN PROVIDES INSTRUCTIONS FOR A SOFTWARE UPDATE DUE TO A VEHICLE BATTERY DRAW CONCERN FOR THE REAR SEAT ENTERTAINMENT. Read More »

    • TSB #A91166220441303

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10091992

      THIS BULLETIN EXPLAINS TO THE READER THAT A SOLUTION IS BEING DEVELOPED FOR AN ISSUE WITH THE MMI SCREEN GOING BLANK WHEN AN IPHONE IS CONNECTED, AND THAT THE VEHICLE VIN SHOULD BE SUBMITTED FOR NOTIFICATION WHEN THE SOLUTION IS READY. Read More »

    • TSB #A91166320440242

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092001

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO TROUBLESHOOT A VARIETY OF ISSUES WITH THE AUDI SMARTPHONE INTERFACE. Read More »

    • 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 #A91166220441303

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092302

      THIS BULLETIN EXPLAINS TO THE READER THAT A SOLUTION IS BEING DEVELOPED FOR AN ISSUE WITH THE MMI SCREEN GOING BLANK WHEN AN IPHONE IS CONNECTED, AND THAT THE VEHICLE VIN SHOULD BE SUBMITTED FOR NOTIFICATION WHEN THE SOLUTION IS READY. Read More »

    • TSB #A91164520441302

      Date Announced:
      JUN 06, 2016
      NHTSA ID:
      #10094382

      THIS BULLETIN EXPLAINS TO THE READER THAT A SOLUTION IS BEING DEVELOPED FOR AN ISSUE WITH THE MMI SCREEN GOING BLANK WHEN AN IPHONE IS CONNECTED, AND THAT THE VEHICLE VIN SHOULD BE SUBMITTED FOR NOTIFICATION WHEN THE SOLUTION IS READY. Read More »

    • TSB #A91164220440241

      Date Announced:
      MAY 06, 2016
      NHTSA ID:
      #10092743

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO TROUBLESHOOT A VARIETY OF ISSUES WITH THE AUDI SMARTPHONE INTERFACE. Read More »

    • TSB #A91164320441301

      Date Announced:
      MAY 06, 2016
      NHTSA ID:
      #10092762

      THIS BULLETIN EXPLAINS TO THE READER THAT A SOLUTION IS BEING DEVELOPED FOR AN ISSUE WITH THE MMI SCREEN GOING BLANK WHEN AN IPHONE IS CONNECTED, AND THAT THE VEHICLE VIN SHOULD BE SUBMITTED FOR NOTIFICATION WHEN THE SOLUTION IS READY. Read More »

    • TSB #A91164020430372

      Date Announced:
      APR 25, 2016
      NHTSA ID:
      #10094104

      THIS TECHNICAL SERVICE BULLETIN PROVIDES INFORMATION ABOUT THE OPERATION OF THE AUDI CONNECT SYSTEM. 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 »

    EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

    • TSB #A94168220175666

      Date Announced:
      SEP 16, 2016
      NHTSA ID:
      #10095155

      THE BULLETIN STATES A NORMAL FUNCTION OF THE HEADLIGHT SWITCH AND HOW TO FIX BUT NOT REPLACE. DEALER IS TO ADVISE CUSTOMER ON WHY THE HEADLIGHT SWITCH PRESSES IN. 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 #A91166320440242

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092001

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO TROUBLESHOOT A VARIETY OF ISSUES WITH THE AUDI SMARTPHONE INTERFACE. Read More »

    • 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

    • TSB #A91166320440242

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092321

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO TROUBLESHOOT A VARIETY OF ISSUES WITH THE AUDI SMARTPHONE INTERFACE. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #A91167220370734

      Date Announced:
      SEP 12, 2016
      NHTSA ID:
      #10095105

      THIS BULLETIN DETAILS WHY THE RADIO SOUNDS DIFFERENT DUE TO DIFFERENT HARDWARE. Read More »

    • TSB #A91163520370733

      Date Announced:
      APR 01, 2016
      NHTSA ID:
      #10093803

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS THAT VEHICLES WITH THE MIB MMI RADIO PLATFORM USE A NEW SDARS CHIPSET THAT RECEIVES RADIO PROGRAMMING FROM A DIFFERENT BAND THAN PREVIOUS PLATFORMS, WHICH MAY AFFECT THE RECEPTION. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #A91166320440242

      Date Announced:
      JUL 26, 2016
      NHTSA ID:
      #10092321

      THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO TROUBLESHOOT A VARIETY OF ISSUES WITH THE AUDI SMARTPHONE INTERFACE. Read More »

    • 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 »