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Service bulletins for the 2004 Volkswagen Passat

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

249 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
TB-07-09-062009-09-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 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
20158312008-12-30. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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. *PE
P-9-99C82008-09-27. Service bulletin. STRUCTURE; STRUCTURE:BODY; STRUCTURE:FRAME AND MEMBERS. VOLKSWAGEN: SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE AND INSTALL IMPROVED POLLEN FILTER SEAL. *PE
P 9-66C82008-09-17. Service bulletin. STRUCTURE:FRAME AND MEMBERS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM. 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. *PE
7482008-01-23. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. 2003-2004 MODEL YEAR PASSAT WITH HEATED SEATS INSTALL NEW PASSENGER SIDE SEAT HEATER SWITCH. *NJ
20132332007-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL PRESSURE TOO LOW, LIGHT IS ON, ENGINE FLUSH. *KB
0107022007-04-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. 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. *KB
05052005-12-23. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. VEHICLES MAY DISPLAY VIBRATION OF THE HEADLIGHT DUE TO CLEARANCE BETWEEN HEADLIGHT ASSEMBLY AND FRONT FACIA - EXCLUDING NEW PASSAT. *NM
05172005-08-19. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE WARRANTY REPAIR PROCESS. *TT
VC2005-07-29. Service bulletin. EQUIPMENT:OTHER:LABELS. INSTALL MERCURY LABEL ON VEHICLES REGISTERED IN THE STATES OF VERMONT, MAINE AND CONNECTICUT - ENVIRONMENTAL COMPLIANCE ACTION CIRCULAR. *TT
05022005-03-02. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P1603 (18011) STORED IN DTC MEMORY. *TT
0042005-01-27. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT TEMPERATURE (ECT) SENSOR. *TC
04032004-12-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VALVE COVER, DIAGNOSING OIL LEAKAGE FROM GASKETS. *TT
04192004-12-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. UPDATE PROGRAMMING - EVAPORATIVE EMISSIONS (EVAP) SELF-TEST REVISION. *TT
04022004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE OIL PRESSURE LIGHT IS ON. *TT
04012004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL SPECIFICATIONS, OIL CAPACITY, OIL FILTER. *TT
04162004-11-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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. *TT
04212004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL SLUDGE - WARRANTY EXTENSION FOR 1998-2004 MODEL YEAR VOLKSWAGEN PASSAT WITH 1.8L TURBO ENGINE US AND CANADIAN DEALERS. SERVICE CIRCULAR. *TT
04212004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WARRANTY EXTENSION COVERING CERTAIN OIL SLUDGE RELATED REPAIRS. *TT
VP2004-08-31. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. VEHICLES REMOVE / REPLACE SHOCK ABSORBER SECURING BOLT. *MJ
04032004-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE, FLUCTUATING IDLE OR IDLE SPEED TOO LOW. *MJ
04092004-07-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. EVALUATING FUEL MIXTURE DIAGNOSTIC TROUBLE CODES- HOW TO PERFORM EFFECTIVE DIAGNOSIS RELATED TO FUEL SYSTEM ADAPTATION - SYSTEM TOO RICH/TOO LEAN. VOLKSWAGEN. *MJ
04062004-05-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. READINESS CODE, SETTING. *TT
0926032004-05-15. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. 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

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.