Service bulletins for the 2001 Porsche Boxster
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.
278 on file from NHTSA, as of 2026-10-19.
About P0446 on the 2001 Porsche Boxster: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0446 are shown. Show all
| 303 | 2003-10-22. Service bulletin. ELECTRICAL SYSTEM. ON-BOARD DIAGNOSIS II (OBD II)/DME ME 7.2 MANUAL SUPPLEMENT - DIAGNOSTIC TROUBLE CODES P0446/P0604/P0605/P1671. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.