Service bulletins for the 2021 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.
80 on file from NHTSA, as of 2026-10-19.
About P2502 on the 2021 Mazda Mazda2: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P2502 are shown. Show all
| 01-009-24 | 2024-10-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Some customers may notice the charging lamp turns on while driving. Upon inspection, DTC P2502:00 PCM (Malfunction in voltage generated by generator) is stored in memory. This may be caused by resistance between the circuit board and ground. When high intensity electrical current passes through, the ground terminal position may not be sufficient enough. To eliminate this concern, the DC-DC converter control software has been modified. Additionally, the production procedure has been revised. The tightening torque for the ground terminal and circuit board was increased. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.