Service bulletins for the 2021 Mazda Mazda3
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.
634 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Brakes are shown. Show all
| SA-005-21 | 2021-02-06. Service bulletin. SERVICE BRAKES, HYDRAULIC; UNKNOWN OR OTHER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some vehicles may have a "Low Battery Risk. Start Vehicle to Charge 12V Battery" warning message in the instrument cluster and a 30 second alarm sound. This may be caused by the customer doing any one of the following several times without starting the engine for an extended period of time: Open any door(s), Unlock doors, Open liftgate, Depress brake pedal, Push start/stop button. No dealer visit is required. The warning message can be cleared by starting the engine and idling or driving for 5 minutes or longer. |
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| SA-062-20 | 2020-09-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; PARKING BRAKE; VISIBILITY; FORWARD COLLISION AVOIDANCE. Some customers may complain about the following message displayed in the Multi-Information Display: In the following cases, the MRCC with Stop & Go function system is canceled when the vehicle is traveling at 19 mph (30 km/h) or less: • The Forward Sensing Camera (FSC) cannot detect target objects due to one of the following: • The windshield is dirty • The FSC lens is foggy • There is low visibility due to rain, fog or snow • It is at night and there is not enough light • There is direct or reflected sunlight on the FSC • There is problem with the FSC • There is a problem with the AUTOHOLD control function. • There is a problem with the electric parking brake (EPB). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.