Service bulletins for the 2003 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.
227 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| 0409 | 2004-07-08. 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 |
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| 0303 | 2003-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UPDATE PROGRAMMING (FLASHING) ENGINE CONTROL MODULE (ECM) AND TRANSMISSION CONTROL MODULE (TCM). *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.