Service bulletins for the 2021 Mazda CX-3
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.
278 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| 00-002-20-3749 | 2020-11-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; VISIBILITY. In support of the new Mazda MX-5 and CX-3, Mazda will make available for loan on an “as-needed” basis, a Special Service Tool (SST) to allow for the radar aiming of the blind spot monitoring (BSM) system. The BSM radar aiming is performed whenever the BSM control module, the BSM bracket or the rear bumper is replaced. |
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| SA-063-20 | 2020-09-03. Service bulletin. ELECTRICAL SYSTEM. When performing vehicle services such as control unit software update, control unit registration/activation, CMU log data retrieval, etc., always use the GR8 battery charger SST to maintain battery voltage. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.