Service bulletins for the 2003 Volkswagen Jetta
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.
233 on file from NHTSA, as of 2026-10-19.
About P1603 on the 2003 Volkswagen Jetta: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1603 are shown. Show all
| 0502 | 2005-03-02. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P1603 (18011) STORED IN DTC MEMORY. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.