Service bulletins for the 2016 Mazda Mazda2
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.
187 on file from NHTSA, as of 2026-10-19.
About P0203 on the 2016 Mazda Mazda2: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0203 are shown. Show all
| 01-004-17-3317a | 2017-10-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some vehicles may experience an engine that runs rough and the check engine light on with DTCs P0201 and P0204 or P0202 and P0203. NOTE: Engine misfire related DTCs (P0301, P0302, P0303, P0304) are usually stored at the same time. P0201:00 : Fuel injector circuit/open cylinder No.1 P0202:00 : Fuel injector circuit/open cylinder No.2 P0203:00 : Fuel injector circuit/open cylinder No.3 P0204:00 : Fuel injector circuit/open cylinder No.4 This concern may be caused by an internal failure of the PCM (DENSO produced only). To correct the concern, the PCM internal failure has been eliminated. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.