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Service bulletins for the 2019 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.

827 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
SA-037-212021-06-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES. Some customers may experience an instrument cluster warning message "Safety and Driver Support Systems Partially Disabled" and DTC U0401:68 [VEHICLE CONTROL MODULE (US)] (Error signal received from PCM, DSC HU/CM, instrument cluster, or body control module (BCM)) stored. This may be caused by the customer riding the brake pedal.
SA-062-202020-09-03. 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).
15-002-20-37192020-09-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES. Some vehicles equipped with Smart Brake Support (SBS) may exhibit a front radar system malfunction message in the instrument cluster with DTC C1A67:04 (front radar sensor internal malfunction) stored in memory. This may be caused by water penetrating into the front radar sensor through the breather hole when exposed to a great amount of water and damaging the radar sensor, resulting in the DTC C1A67:04. To eliminate this concern, the front radar sensor has been modified.
SA-055-20a2020-08-05. Service bulletin. SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH; ENGINE AND ENGINE COOLING. If a customer comes in with the following concerns: • OIL PRESSURE WARNING light and/or the CHECK ENGINE light ON. • DTC P055F and/or P0524 stored. • No driveability concern or engine mechanical noise. • Outside the VIN range in TSB 01-020/18.
15-002-20-37192020-08-04. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR; SERVICE BRAKES, HYDRAULIC; EQUIPMENT ADAPTIVE/MOBILITY. Some vehicles equipped with Smart Brake Support (SBS) may exhibit a front radar system malfunction message in the instrument cluster with DTC C1A67:04 (front radar sensor internal malfunction) stored in memory. This may be caused by water penetrating into the front radar sensor through the breather hole and damaging the radar sensor, resulting in the DTC C1A67:04. To eliminate this concern, the front radar sensor has been modified.
SA-042-202020-04-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION. Some customer may experience all of the following when turning the ignition ON under hot weather conditions such as parking under the hot sun for some period of time: • i-ACTIVSENSE warning light ON (1) • Smart Brake Support (SBS) indicator light ON (2) • "Excessive Camera Temp. Drive Safely" or "Safety and Driver Support Systems Temporarily Disabled" warning messages • DTC B14F9:00 stored in memory DTC B14F9:00 cannot be found on MGSS, therefore repair cannot be performed. DTC_B14F9:00 is falsely stored instead of DTC B14F0:4B. DTC_B14F0:4B [VCM] (Forward sensing camera (FSC) internal temperature abnormality) - FSC detects temperature higher than operation range.
00-001-20-36892020-04-03. Service bulletin. SERVICE BRAKES, HYDRAULIC; POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
SA-019-202020-02-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
SA-008-202020-01-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES. INSTRUMENT CLUSTER WARNING MESSAGE "SAFETY AND DRIVER SUPPORT SYSTEMS PARTIALLY DISABLED" AND DTC U0401:68 IS STORED:Some customers may experience an instrument cluster warning message "Safety and Driver Support Systems Partially Disabled" and DTC U0401:68 [VEHICLE CONTROL MODULE (US)] (Error signal received from PCM, DSC HU/CM, instrument cluster, or body control module (BCM)) stored. This may be caused by the customer riding the brake pedal.
SA-006-202020-01-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. WARNING MESSAGE SAFETY AND DRIVER SUPPORT SYSTEMS PARTIALLY DISABLED WITH DTC U2511:68: Some customer's may compain about warning message "Safety And Driver Support Systems Partially Disabled" with the following DTC's stored: • U2511:68 DSC - Error signal received from electrical supply unit (ESU) • U2511:68 VCM - Brake light control signal error. REPAIR PROCEDURE: • U2511:68 DSC - Error signal received from electrical supply unit (ESU) • Go to DTC U2511:68 [DSC HU/CM] • U2511:68 VCM - Brake light control signal error • Information is currently missing from Workshop Manual. MGSS will be updated soon. See service information below:
SA-010-192019-07-02. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; PARKING BRAKE; WHEELS; SEATS; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. 2019 MAZDA3 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES: The new 2019 Mazda3 has new and revised features that are different from previous models, and may be difficult to understand. This Service Alert provides valuable information to support potential dealer and customer concerns. PDI fuse, Front Wiper Service Caution, i-ACTIVSENSE Switch, Traffic Sign Recognition (TSR), MAZDA CONNECT Power Function, MAZDA CONNECT Center Display View, In-Vehicle Digital Owner's Manual, Navigation System, SIRIUSXM Data Service, Power Door Locks, Auxiliary Key, Transmitter Battery Saving Function, Keyless Entry Using Auxiliary Key, Rear Door Child Safety Locks Operation, Link Seat & Climate Control Temperatures, Seat Warmer Turns OFF, Electric Parking Brake (EPB), A/C Air Temperature Is Not Cold, Tire Pressure Monitoring System (TPMS), Condition Based Maintenance, M-MDS (MDARS) &, Part Replacement.
SA-010-192019-03-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM; EQUIPMENT; PARKING BRAKE. The new 2019 Mazda3 has new features that may be difficult to understand. This Service Alert provides valuable information to support potential customer concerns: 1. Front Wiper Service Caution 2. i-ACTIVSENSE Switch (New) 3. Traffic Sign Recognition (TSR) Inoperative 4. MAZDA CONNECT (New) 5. Center Display View 6. In-Vehicle Digital Owner's Manual 7. SIRIUSXM Data Service No Free Trial (Preferred Package and above) 8. Doors Lock With Keys In The Vehicle When Liftgate Lock Switch Is Pressed 9. Auxiliary Key 10. Rear Door Child Safety Locks Operation 11. Battery Saving Function For Key Fob 12. Electric Parking Brake (EPB) New Function 13. Parking Brake Automatic Release 14. A/C Air Temperature Is Not Cold 15. Tire Pressure Monitoring System (TPMS) Change 16. Condition Based Maintenance (Except Canada) 17. New M-MDS (MDARS) 18. Parts Replacement
04-001-19-35562019-02-19. Service bulletin. SERVICE BRAKES, AIR. Some customers may report a slight clunk/bang/buzz noise or jolt from the front of the vehicle. This concern will most likely occur during the vehicles first forward movement after starting the engine. This is a normal operating noise of the Anti-Lock Brake System (ABS). Do not attempt any repairs. If you encounter a customer complaint for this concern, explain that the noise comes from the ABS/TCS/DSC "Malfunction Detection Function" initial check and that there is no problem. This initial checkis a necessary function to ensure the normal operation of the ABS/TCS/DSC system. It occurs when the vehicles first moves forward under the following conditions. NOTE: Some customers may describe that the noise does not occur all the time. It does occur all the time, but the sound is more likely to be heard on a slow start and not on a quick start (quick acceleration) when engine noise is louder.
00-002-19-35612019-02-19. Service bulletin. SERVICE BRAKES. Mazda North American Operations has approved an additional on-car brake lathe as an option for MNAO authorized equipment. The Pro-Cut On-Car Brake Lathe has been added to the MNAO authorized equipment program. NOTE: Accu-turn is still an approved brake lathe, but it is no longer available for purchase from our vendor. IMPORTANT: Rotors must be machined using a Mazda approved on-car brake lathe, or warranty claims are subject to denial or debit. Tool Number Description Pricing PC1923MAZ Pro-Cut On-Car Brake Lathe Check eStore or call for current pricing OBTAINING TOOLS This tool can be ordered through Mazda eStore. You can log on to eStore at: http://dealers.mazdausa.com CUSTOMER SERVICE INFORMATION For warranty or product information contact Mazda Authorized Service Equipment at 877-768-6657. Customer service representatives are available from 7:30 AM until 7:00 PM CST, Monday through Friday. SPECIAL SERVICE TOOL (SST) PART NAME: OVERVIEW Pro-Cut On-Car Brake Lathe PART NUMBER: PC1923MAZ APPLICABLE MODELS: All USAGE: To machine brake rotors on the vehicle.
04-002-19-35452019-02-19. Service bulletin. SERVICE BRAKES. Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging. If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
00-003-18-3480a2018-11-13. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Mazda North American Operations has approved an additional on-car brake lathe as an option for MNAO authorized equipment. The Pro-Cut On-Car Brake Lathe has been added to the MNAO authorized equipment program. NOTE: Accu-turn is still an approved brake lathe, but it is no longer available for purchase from our vendor. IMPORTANT: Rotors must be machined using a Mazda approved on-car brake lathe, or warranty claims are subject to denial or debit.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.