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.
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By component
By trouble code
Only bulletins with component: Equipment and accessories are shown. Show all
| V871401 2005566 | 2017-12-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. Condensation is a normal characteristic in all A/C systems. If odor is noticeable continue to follow this document. Contaminants are effectively neutralized using the AIRCOMATIC? II Ultrasonic Climate System Cleaner (VAS 6189A) or AIRCOMATIC? III Ultrasonic Climate System Cleaner (VAS 6189B) and AIRCO-CLEAN? Ultrasonic HVAC Treatment (30208). All other cleaning methods are no longer permitted. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available. |
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| V871506 2019947 | 2017-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. Technical Bulletin (Air Conditioning, Cleaning of the Refrigerant Circuit (U.S.Only)): In cases where an air conditioning system component (such as a compressor or other system component) has failed and debris from the compressor or component is circulated throughout the refrigerant circuit, the refrigerant circuit must be cleaned of any and all debris or damage to the replacement components will result. This document contains information on how to diagnose, and service this issue. |
| V871508 2005566 | 2017-11-08. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. This document contains information on how to diagnose, and service this issue. |
| TT 20-13-01 | 2017-10-31. Service bulletin. EQUIPMENT:ELECTRICAL; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Tech Tips (ECM Fault P1250 "Fuel Level Too Low" Will Not Clear): This document informs to clear static ECM fault P1250 "Fuel Level Too Low", add fuel to vehicle and complete a road test of at least 10 miles. Simply adding fuel without completing a road test may not allow fault to clear. |
| V941501 2011521 | 2017-10-31. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EXTERIOR LIGHTING. Technical Bulletin: Condensation and or water droplets becomming visible on inside of exterior light lenses issue is discussed in this document |
| V551603 2039446 | 2017-10-31. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Document discusses Corrosion that may be found on the folded edge of the hood. The corrosion may be found on this edge anywhere around the hood. It discusses how to service it, and document that service. It discusses where to find what applies to warranties that offer coverage for the service |
| V871409 2019947 | 2017-10-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Technical Bulletin (Air Conditioning, Cleaning of the Refrigerant Circuit): In cases where an air conditioning system component (such as a compressor or other system component) has failed and debris from the compressor or component is circulated throughout the refrigerant circuit, the refrigerant circuit must be cleaned of any and all debris or damage to the replacement components will result. Debris can be dispersed throughout the refrigerant circuit after a/c component damage. In order to maintain A/C operating efficiency, it is important to flush the refrigerant circuit after A/C component repairs. |
| V941403 2011521 | 2017-10-21. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING. Technical Bulletin (Exterior Lights, Moisture Accumulation): This document informs of the Condensation and or water droplets visible on inside of exterior light lenses. The document also informs how to service the issue. |
| TT 23-06-28 | 2016-06-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| VC | 2005-07-29. Service bulletin. EQUIPMENT:OTHER:LABELS. INSTALL MERCURY LABEL ON VEHICLES REGISTERED IN THE STATES OF VERMONT, MAINE AND CONNECTICUT - ENVIRONMENTAL COMPLIANCE ACTION CIRCULAR. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.