Technical Service Bulletins (TSBs) for the 2004 Passat are official communications between Volkswagen & 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:GEAR BOX (OTHER THAN RACK AND PINION)

    • TSB #TB-35-11-01

      Date Announced:
      JUN 06, 2011
      NHTSA ID:
      #10041250

      VOLKSWAGEN: THE GEAR BOX HAS A MOMENTARILY DELAY WHILE ACCELERATING. *RM Read More »

    STEERING:HYDRAULIC POWER ASSIST:PUMP

    • TSB #092603

      Date Announced:
      SEP 26, 2003
      NHTSA ID:
      #10006830

      ZF VH RECALL OF THE ZF STEERING PUMP, SUPPLIED TO WD'S FOR REPLACEMENT OF THE AUDI A4 PASSAT P/N 8D0 145 156FX INSTEAD OF THE CORRECT ZF P/N 7691 955 276ZW. 2004 AUDI A4 ALSO INCLUDED. *TT Read More »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #VP

      Date Announced:
      JUL 01, 2004
      NHTSA ID:
      #10008920

      VEHICLES REMOVE / REPLACE SHOCK ABSORBER SECURING BOLT. *MJ Read More »

    BRAKES (PWS)

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

    • TSB #P 9-66C8

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10025923

      VOLKSWAGEN: 2001-2005 MODELS: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. WATER COULD LEAK INTO THE PASSENGER COMPARTMENT. 2002 MODELS COULD HAVE LEAKS INTO THE BRAKE BOOSTER. Read More »

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

    • TSB #0517

      Date Announced:
      JUL 14, 2005
      NHTSA ID:
      #10016037

      ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE WARRANTY REPAIR PROCESS. *TT Read More »

    ENGINE AND ENGINE COOLING

    • TSB #004

      Date Announced:
      NOV 09, 2004
      NHTSA ID:
      #10011567

      ENGINE COOLANT TEMPERATURE (ECT) SENSOR. *TC Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TB-01-12-04

      Date Announced:
      FEB 10, 2012
      NHTSA ID:
      #10043602

      VOLKSWAGEN: GASOLINE ENGINES HAVE ROUGH IDLE, HAVE SIGNIFICANT LOSS OF POWER OR STALLING WITH REDUCED PERFORMANCE. *PE Read More »

    • TSB #SAC-28F3/P1-REV

      Date Announced:
      AUG 01, 2010
      NHTSA ID:
      #10036496

      VOLKSWAGEN: GASOLINE ENGINE VEHICLES INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. Read More »

    • TSB #SB-28F3

      Date Announced:
      OCT 28, 2009
      NHTSA ID:
      #10033207

      VOLKSWAGEN: VEHICLES MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. IF THIS HAPPENS, THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATED TO LET YOU KNOW THAT THE VEHICLE MAY EXPERIENCE SOME DETERIORATION IN ... Read More »

    • TSB #TB-07-09-06

      Date Announced:
      MAY 18, 2009
      NHTSA ID:
      #10030369

      VOLKSWAGEN: ENGINE OIL PRESSURE TOO LOW, LIGHT IS ON, ENGINE FLUSH. THE LOW ENGINE OIL PRESSURE CONDITION MAY BE CAUSED BY A RESTRICTION OF THE OIL PUMP SUCTION LINE STRAINER. *PE Read More »

    • TSB #2013233

      Date Announced:
      MAR 30, 2007
      NHTSA ID:
      #10021437

      ENGINE OIL PRESSURE TOO LOW, LIGHT IS ON, ENGINE FLUSH. *KB Read More »

    • TSB #0401

      Date Announced:
      AUG 26, 2005
      NHTSA ID:
      #10009887

      ENGINE OIL SPECIFICATIONS, OIL CAPACITY, OIL FILTER. *TT Read More »

    • TSB #0403

      Date Announced:
      OCT 01, 2004
      NHTSA ID:
      #10010539

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

    • TSB #0402

      Date Announced:
      AUG 05, 2004
      NHTSA ID:
      #10009888

      LOW ENGINE OIL PRESSURE LIGHT IS ON. *TT Read More »

    • TSB #0421

      Date Announced:
      AUG 04, 2004
      NHTSA ID:
      #10009874

      OIL SLUDGE - WARRANTY EXTENSION FOR 1998-2004 MODEL YEAR VOLKSWAGEN PASSAT WITH 1.8L TURBO ENGINE US AND CANADIAN DEALERS. SERVICE CIRCULAR. *TT Read More »

    • TSB #0421

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10009873

      WARRANTY EXTENSION COVERING CERTAIN OIL SLUDGE RELATED REPAIRS. *TT Read More »

    • TSB #0403

      Date Announced:
      JUL 12, 2004
      NHTSA ID:
      #10008913

      ENGINE, FLUCTUATING IDLE OR IDLE SPEED TOO LOW. *MJ Read More »

    • TSB #0409

      Date Announced:
      MAY 10, 2004
      NHTSA ID:
      #10007711

      EVALUATING FUEL MIXTURE DIAGNOSTIC TROUBLE CODES- HOW TO PERFORM EFFECTIVE DIAGNOSIS RELATED TO FUEL SYSTEM ADAPTATION - SYSTEM TOO RICH/TOO LEAN. VOLKSWAGEN. *MJ Read More »

    • TSB #0406

      Date Announced:
      APR 06, 2004
      NHTSA ID:
      #10007015

      READINESS CODE, SETTING. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #SA-28F3

      Date Announced:
      JUL 01, 2010
      NHTSA ID:
      #10033216

      VOLKSWAGEN: (REVISED) VEHICLES MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #SA-28F6

      Date Announced:
      JAN 28, 2011
      NHTSA ID:
      #10038591

      VOLKSWAGEN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE SOFTWARE MAY CAUSE THE VEHICLE TO EXCEED EMISSIONS STANDARDS. *RM Read More »

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

    • TSB #010702

      Date Announced:
      JAN 11, 2007
      NHTSA ID:
      #10021315

      DTC'S P1297 (17705) OR P1557 (17965) STORED IN DTC MEMORY. THIS MAY BE CAUSED BY INTAKE HOSES LEAKING (DURING BOOST CONDITIONS) DUE TO INCORRECT TORQUE ON CLAMPS OR IMPROPER PLACEMENT, WORN OR TORN INTAKE HOSES. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #2015831

      Date Announced:
      AUG 28, 2008
      NHTSA ID:
      #10026848

      VOLKSWAGEN: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES. HEAT SHIELDS ARE TO BE INSPECTED AFTER COMPLETION O ANY TYPE OF REPAIR TO THE UNDERBODY (EXHAUST SYSTEM TRANSMISSION, ETC.), AND IF DAMAGED, REPLACED. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #SAC-28F3/P1-REV

      Date Announced:
      AUG 01, 2010
      NHTSA ID:
      #10036496

      VOLKSWAGEN: GASOLINE ENGINE VEHICLES INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. Read More »

    • TSB #0419

      Date Announced:
      OCT 27, 2004
      NHTSA ID:
      #10010537

      UPDATE PROGRAMMING - EVAPORATIVE EMISSIONS (EVAP) SELF-TEST REVISION. *TT Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #TB-35-11-01

      Date Announced:
      JUN 06, 2011
      NHTSA ID:
      #10041250

      VOLKSWAGEN: THE GEAR BOX HAS A MOMENTARILY DELAY WHILE ACCELERATING. *RM Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #0416

      Date Announced:
      OCT 21, 2005
      NHTSA ID:
      #10009885

      WHEN SLOWING TO A STOP, A HARSH 3RD GEAR TO 2ND GEAR DOWNSHIFT IS FELT AND/OR AFTER SLOWING TO A NEAR STOP THEN ACCELERATING AGAIN, A CLUNK IS FELT. UPDATE PROGRAMMING (FLASHING) TRANSMISSION CONTROL MODULE (TCM) FOR HARSH SHIFTING. Read More »

    ELECTRICAL SYSTEM

    • TSB #2038996

      Date Announced:
      DEC 19, 2014
      NHTSA ID:
      #10070383

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #2038996

      Date Announced:
      DEC 12, 2014
      NHTSA ID:
      #10070377

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #0502

      Date Announced:
      JAN 14, 2005
      NHTSA ID:
      #10012457

      DIAGNOSTIC TROUBLE CODE (DTC) P1603 (18011) STORED IN DTC MEMORY. *TT Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #SAC-28F3/P1-REV

      Date Announced:
      AUG 01, 2010
      NHTSA ID:
      #10036496

      VOLKSWAGEN: GASOLINE ENGINE VEHICLES INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. Read More »

    • TSB #SA-28F3

      Date Announced:
      JUL 01, 2010
      NHTSA ID:
      #10033216

      VOLKSWAGEN: (REVISED) VEHICLES MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. Read More »

    • TSB #SB-28F3

      Date Announced:
      OCT 28, 2009
      NHTSA ID:
      #10033207

      VOLKSWAGEN: VEHICLES MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. IF THIS HAPPENS, THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATED TO LET YOU KNOW THAT THE VEHICLE MAY EXPERIENCE SOME DETERIORATION IN ... Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #SA-28F6

      Date Announced:
      JAN 28, 2011
      NHTSA ID:
      #10038591

      VOLKSWAGEN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE SOFTWARE MAY CAUSE THE VEHICLE TO EXCEED EMISSIONS STANDARDS. *RM Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #0505

      Date Announced:
      NOV 07, 2005
      NHTSA ID:
      #10018452

      VEHICLES MAY DISPLAY VIBRATION OF THE HEADLIGHT DUE TO CLEARANCE BETWEEN HEADLIGHT ASSEMBLY AND FRONT FACIA - EXCLUDING NEW PASSAT. *NM Read More »

    STRUCTURE

    • TSB #2038996

      Date Announced:
      DEC 12, 2014
      NHTSA ID:
      #10070377

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #P-9-99C8

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10026068

      VOLKSWAGEN: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. *PE Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #V501505_2038981

      Date Announced:
      JUN 07, 2016
      NHTSA ID:
      #10095561

      TO UPDATE CLAIM PROCESSING STATEMENT. Read More »

    • TSB #P 9-66C8

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10025923

      VOLKSWAGEN: 2001-2005 MODELS: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. WATER COULD LEAK INTO THE PASSENGER COMPARTMENT. 2002 MODELS COULD HAVE LEAKS INTO THE BRAKE BOOSTER. Read More »

    • TSB #P-9-99C8

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10026068

      VOLKSWAGEN: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. *PE Read More »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #2015831

      Date Announced:
      AUG 28, 2008
      NHTSA ID:
      #10026848

      VOLKSWAGEN: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES. HEAT SHIELDS ARE TO BE INSPECTED AFTER COMPLETION O ANY TYPE OF REPAIR TO THE UNDERBODY (EXHAUST SYSTEM TRANSMISSION, ETC.), AND IF DAMAGED, REPLACED. Read More »

    STRUCTURE:BODY

    • TSB #P-9-99C8

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10026068

      VOLKSWAGEN: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. *PE Read More »

    WHEELS

    SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

    • TSB #CSC-74B8

      Date Announced:
      JUN 01, 2009
      NHTSA ID:
      #10032411

      VOLKSWAGEN: HEATED SEATS INSTALL NEW PASSENGER SIDE SEAT HEATER SWITCH. AFFECTED VEHICLES MAY HAVE A SEAT HEATER ELEMENT THAT CAN MALFUNCTION WHEN THE IGNITION SWITCH IS ON AND THE SEAT HEATER SWITCH IS ON. Read More »

    • TSB #748

      Date Announced:
      OCT 01, 2007
      NHTSA ID:
      #10023659

      2003-2004 MODEL YEAR PASSAT WITH HEATED SEATS INSTALL NEW PASSENGER SIDE SEAT HEATER SWITCH. *NJ Read More »

    EQUIPMENT:OTHER:LABELS

    • TSB #VC

      Date Announced:
      MAY 01, 2005
      NHTSA ID:
      #10015584

      INSTALL MERCURY LABEL ON VEHICLES REGISTERED IN THE STATES OF VERMONT, MAINE AND CONNECTICUT - ENVIRONMENTAL COMPLIANCE ACTION CIRCULAR. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    CHILD SEAT:LATCH CONNECTOR/CLIP

    • TSB #TB-00-10-06

      Date Announced:
      SEP 30, 2010
      NHTSA ID:
      #10036493

      VOLKSWAGEN: CHILD RESTRAINT LATCH GUIDANCE FIXTURE; COMPLIANCE WITH FMVSS 225 (USA ONLY). UPDATE TO EXISTING TECHNICAL BULLETIN. NO PRODUCTION CHANGE REQUIRED. ALL MODELS. *PE Read More »

    CHILD SEAT:LATCH STRAP

    • TSB #TB-00-10-06

      Date Announced:
      SEP 30, 2010
      NHTSA ID:
      #10036493

      VOLKSWAGEN: CHILD RESTRAINT LATCH GUIDANCE FIXTURE; COMPLIANCE WITH FMVSS 225 (USA ONLY). UPDATE TO EXISTING TECHNICAL BULLETIN. NO PRODUCTION CHANGE REQUIRED. ALL MODELS. *PE Read More »