Service bulletins for the 2014 Mazda Mazda5
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.
207 on file from NHTSA, as of 2026-10-19.
About P0303 on the 2014 Mazda Mazda5: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0303 are shown. Show all
| 01-014-16-3208A | 2016-12-03. Service bulletin. ENGINE. SOME VEHICLES MAY EXPERIENCE A LACK OF ENGINE POWER/ROUGH IDLING AND THE CHECK ENGINE LIGHT ON WITH ONE OR MORE OF THE MISFIRE RELATED DTCS OF P0300:00, P0301:00, P0302:00, P0303:00 AND P0304:00. THIS CONCERN MAY BE CAUSED BY AN INTERNAL FAILURE OF THE IGNITION COIL(S) DUE TO A HIGH DIFFERENCE BETWEEN COLD AND WARM AMBIENT TEMPERATURES. THE PRODUCTION METHOD OF THE IGNITION COIL HAS BEEN CHANGED TO ELIMINATE THIS CONCERN. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.