Service bulletins for the 2023 Mazda CX-50
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.
351 on file from NHTSA, as of 2026-10-19.
About B1520 on the 2023 Mazda CX-50: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B1520 are shown. Show all
| 09-002-23 | 2023-02-02. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain that the front seat warmers are inoperative or cannot be turned OFF and DTC B1520:49 may be stored. This may be caused by an electrical noise of the front seat warmer control unit. To correct this issue, the anti-electric noise performance of the front seat warmer control unit has been improved. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.