Technical Service Bulletins (TSBs) for the 1999 A6 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.

    STEERING:HYDRAULIC POWER ASSIST SYSTEM

    • TSB #480501

      Date Announced:
      FEB 03, 2005
      NHTSA ID:
      #10012767

      POWER STEERING, NOISY. TO INCLUDE 2006 MODELS. *TT Read More »

    SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

    • TSB #JE

      Date Announced:
      NOV 24, 2004
      NHTSA ID:
      #10011699

      CHECK/REPLACE REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. *TC Read More »

    • TSB #11242004

      Date Announced:
      NOV 24, 2004
      NHTSA ID:
      #10016418

      SERVICE ACTION JE CAMPAIGN-CHECK/REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. AUDI HAS FOUND THAT IN RARE CASES, ONE OR BOTH FRONT SUSPENSION LOWER CONTROL ARMS ON AFFECTED VEHICLES CAN EXHIBIT WEAR, EVEN THOUGH THE DAMAGE TO THE RUBBER ... Read More »

    • TSB #JE

      Date Announced:
      OCT 01, 2004
      NHTSA ID:
      #10009875

      BOTH FRONT SUSPENSION LOWER CONTROL ARMS CAN EXHIBIT WEAR, EVEN THOUGH THE DAMAGE TO THE RUBBER BOOTS IS NOT OBVIOUS. SERVICE ACTION CIRCULAR TO CHECK/REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. Read More »

    • TSB #042804

      Date Announced:
      APR 28, 2004
      NHTSA ID:
      #10007130

      SERVICE ACTION TO INSPECT LOWER CONTROL ARM SEALS. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #TSB-45-08-04

      Date Announced:
      NOV 19, 2008
      NHTSA ID:
      #10028008

      AUDI: ABS ACTIVATES DURING LIGHT BRAKE APPLICATION . CONTROL NOISES ARE HEARD FROM THE ABS UNIT AT LOW SPEED WITHOUT BRAKE APPLICATION. *PE Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

    • TSB #TSB-45-08-04

      Date Announced:
      NOV 19, 2008
      NHTSA ID:
      #10028008

      AUDI: ABS ACTIVATES DURING LIGHT BRAKE APPLICATION . CONTROL NOISES ARE HEARD FROM THE ABS UNIT AT LOW SPEED WITHOUT BRAKE APPLICATION. *PE Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR

    • TSB #TSB-45-08-04

      Date Announced:
      NOV 19, 2008
      NHTSA ID:
      #10028008

      AUDI: ABS ACTIVATES DURING LIGHT BRAKE APPLICATION . CONTROL NOISES ARE HEARD FROM THE ABS UNIT AT LOW SPEED WITHOUT BRAKE APPLICATION. *PE Read More »

    ENGINE (PWS)

    • TSB #SB-01-15-29

      Date Announced:
      JUL 01, 2015
      NHTSA ID:
      #10058584

      AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TSB-24-11-66

      Date Announced:
      FEB 14, 2011
      NHTSA ID:
      #10038254

      AUDI: IN COLD TEMPERATURES, ICE CAN ACCUMULATE ON THE THROTTLE BODY MAKING THE VEHICLE UNABLE TO RETURN TO IDLE.1998-1999 A6. *RM Read More »

    • TSB #0402

      Date Announced:
      AUG 31, 2004
      NHTSA ID:
      #10009879

      VALVE COVER, DIAGNOSING OIL LEAKAGE FROM GASKETS. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #150102

      Date Announced:
      MAY 24, 2001
      NHTSA ID:
      #621505

      A CONDITION MAY EXIST WHERE THE ENGINE CRANKS BUT WILL NOT START. *TT Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

    • TSB #0406

      Date Announced:
      DEC 13, 2004
      NHTSA ID:
      #10011880

      COOLANT LEAK AT OIL COOLER HOSES. *TT Read More »

    FUEL SYSTEM, OTHER

    • TSB #0408

      Date Announced:
      SEP 10, 2004
      NHTSA ID:
      #10009732

      LONG TERM FUEL TRIM - SYSTEM TOO RICH. DIAGNOSTIC TROUBLE CODE P1123, P1125, P1137 AND P1139. *TT Read More »

    • TSB #0002

      Date Announced:
      APR 24, 2000
      NHTSA ID:
      #610273

      REVISED INFORMATION FOR VEHICLES EXHIBITING AN INCORRECT FUEL GAUGE READING. *TT Read More »

    • TSB #0001

      Date Announced:
      JAN 07, 2000
      NHTSA ID:
      #610267

      SUBJECT REGARDING AN INCORRECT FUEL READING ON FUEL GAUGE (ERRATIC, STUCK ON FULL OR EMPTY). *TT Read More »

    ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

    • TSB #900104

      Date Announced:
      NOV 07, 2001
      NHTSA ID:
      #627106

      SUBJECT REGARDING INSTRUMENT CLUSTER, DRIVER'S INFORMATION DISPLAY FADES. *JG Read More »

    • TSB #900102

      Date Announced:
      SEP 28, 2001
      NHTSA ID:
      #627068

      SUBJECT REGARDING INSTRUMENT CLUSTER, DRIVER'S INFORMATION DISPLAY FADES. *JG Read More »

    EXTERIOR LIGHTING

    • TSB #0715

      Date Announced:
      NOV 07, 2007
      NHTSA ID:
      #10023948

      EXTERIOR LIGHTS, MOISTURE ACCUMULATION. *NJ Read More »

    • TSB #TSB-94-07-15

      Date Announced:
      NOV 07, 2007
      NHTSA ID:
      #10032250

      AUDIO: EXTERIOR LIGHTS, MOISTURE ACCUMULATION. CONDENSATION IS VISIBLE ON THE INSIDE OF HEADLIGHTS, TAILLIGHTS, FOG LIGHTS, SIDE MARKER LIGHTS, FRONT TURN SIGNAL OR THIRD BRAKE LIGHT LENS. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

    EXTERIOR LIGHTING:FOG LIGHTS

    EXTERIOR LIGHTING:TAIL LIGHTS

    EXTERIOR LIGHTING:BACK UP LIGHTS

    EXTERIOR LIGHTING:BRAKE LIGHTS

    EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS

    STRUCTURE:BODY:BUMPERS

    • TSB #LQ

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000815

      SERVICE ACTION CAMPAIGN - INSTALLATION OF FRONT BUMPER GUIDES. *TT Read More »

    VEHICLE SPEED CONTROL

    • TSB #0404

      Date Announced:
      NOV 09, 2004
      NHTSA ID:
      #10011572

      THROTTLE BODY REPLACEMENT KIT INSTALLATION. *TC Read More »

    • TSB #0403

      Date Announced:
      NOV 02, 2004
      NHTSA ID:
      #10011571

      THROTTLE BODY REPLACEMENT KIT INSTALLATION. *TC Read More »

    WHEELS:LUGS/NUTS/BOLTS/STUDS

    • TSB #TSB-44-08-14

      Date Announced:
      NOV 19, 2008
      NHTSA ID:
      #10027923

      AUDI: WHEEL BOLTS REQUIRE TORQUE ADJUSTMENT. TORQUE STICKS AND TORQUE EXTENSION BARS ARE NOT APPROVED BY AUDI OF AMERICA, INC. AND SHOULD NOT BE USED TO APPLY TORQUE TO WHEEL BOLTS. ALL AUDI MODELS INCLUDED. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #980898

      Date Announced:
      JUN 16, 1998
      NHTSA ID:
      #601888

      INSTALLATION INSTRUCTIONS ON CELLULAR TELEPHONES. *YC Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #TSB-44-13-46

      Date Announced:
      DEC 09, 2013
      NHTSA ID:
      #10054859

      AUDI: ON CERTAIN VEHICLES, USE CALIBRATED TORQUE WRENCH AND NOT TORQUE STICKS, TORQUE EXTENSION BARS AND IMPACT GUNS/WRENCHES NOT APPROVED FOR USAGE ON WHEEL BOLTS BY MANUFACTURER, THAT CAN CAUSE DAMAGE TO BRAKE, STEERING WHEEL, HUB. Read More »