Service bulletins for the 2025 Mazda CX-30
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.
153 on file from NHTSA, as of 2026-10-19.
About P0126 on the 2025 Mazda CX-30: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0126 are shown. Show all
| 01-005-24b | 2024-09-04. Service bulletin. ENGINE. Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.