Service bulletins for the 2003 Mazda B-Series
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.
109 on file from NHTSA, as of 2026-10-19.
About P2004 on the 2003 Mazda B-Series: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P2004 are shown. Show all
| SA-038-18 | 2018-09-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Some vehicles may have a check engine light on with a DTC P2004 (Intake Manifold Runner Control Stuck Open) stored in memory. This DTC is set when the IMRC is commanded closed, but the IMRC indicates open. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.