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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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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SA-001-19a2019-03-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. APPLE CARPLAY™ / ANDROID AUTO™ FREQUENTLY ASKED QUESTIONS (FAQ). Many frequently asked question and the answers.
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
SA-006-192019-03-11. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about a MAZDA CONNECT system reboot or blank screen. Use the flowchart below to repair the vehicle.
DRW182019-03-04. Service bulletin. ELECTRICAL SYSTEM. 1) Center Body Control Module (C-BCM) software concern. The average fuel economy may not be calculated / indicated correctly. 2) Vehicle Control Module (VCM) software concern. The Smart Brake Support (SBS) OFF indicator light may turn on. The personalization menus of i-ACTIVESENSE may not be displayed in the center display. Causal factor: Inappropriate software of C-BCM and VCM.
09-009-19-35662019-02-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer's responsibility to comply with Federal, State, and local laws concerning odometer and related documentation requirements when providing a repair or replacement. Mazda vehicles are manufactured with tamper-proof speedometers. When a speedometer is replaced, the new speedometer will read zero (0) miles. This procedure is extremely important to accurately represent actual vehicle mileage. Prior to speedometer removal, complete the information required on the "Speedometer Replacement Label". Labels can only be ordered through Mazda eStore. In an effort to achieve a higher level of Customer Experience and retain the value of Mazda's vehicles, MNAO Warranty Operations is allowing all Mazda dealers to utilize a third party, SPECMO Enterprises, Inc., for Instrument Panel Cluster (IPC) odometer setting service. With the use of SPECMO's services, it is possible that the odometer will be set between 10 to 31 miles over the odometer mileage at the time of replacement for both warranty and customer pay repairs. Please make sure that the customer is aware that there may be a slight variance to the odometer, in which case the customer may have to accept the slightly higher mileage. Since odometer setting service is not part of the warranty repair, it is not warrantable nor required, but optional. However, Mazda Warranty policy provides after-warranty assistance (AWA) or DSA that can be utilized to cover this service expense.
01-006-19-35492019-02-19. Service bulletin. ELECTRICAL SYSTEM. The vehicles listed above are equipped with a push button start/stop ignition system. Unlike previous Mazda models, there is no key cylinder on the steering column. Therefore, the engine cannot be started with the auxiliary key if the room fuse is removed or if the transmitter battery is dead.
01-002-19-35522019-02-19. Service bulletin. ELECTRICAL SYSTEM. The Mazda GR8-1291 is required for all warranty battery testing. If the Mazda GR8-1291 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating types) 1. JIS (Japanese Industrial Standard): JIS codes are six-digit alpha-numeric markings molded into the top of the battery to identify a battery by the capacity (amps), dimensions, and battery terminal type. Vehicles manufactured in Japan come from the factory with a JIS rated battery. NOTE: Replacement batteries may use a CCA rating. If so, use the CCA rating listed on the battery. 2. CCA (Cold Cranking Amps):CCA ratings are normally located on a sticker affixed to the top of the battery to indicate a battery's Cold Cranking Amps. CCA rated batteries are supplied with domestically produced vehicles. NOTE: If an incorrect CCA rating is entered into the Mazda GR8-1291, it will result in a false result and invalid Warranty Code from the tester. This will also result in unnecessary replacement of batteries.
01-001-19-35512019-02-19. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
6305142018-11-13. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. "Adaptive Headlight Malfunction in Cold Weather. * In very cold weather conditions (32ºF or below) with the light switch in the automatic position, the CCM (Check Control Message) ""Adaptive headlight malfunction"" is displayed. * When the CC message is displayed, all the lights continue to function. * When switching the headlights to high beam and the headlight unit is cold, the mechanism inside the headlight is too stiff to move. Software error in TMS 3 (headlight driver module AHL, xenon headlight)"
8401142018-11-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. ConnectedDrive/BMW Assist System Information and Availability. ConnectedDrive features are partially or completely inoperative. Examples of some of these features are listed below: * BMW Assist Inoperative ? SOS call ? Roadside Assistance call * My BMW Remote App * BMW Online - Google local search * Concierge CAUSE The Electronic Subscriber Agreement (ESA) is inactive. * No active contract for ConnectedDrive features Offboard Availabilty (Backend) system issues * The external network was/is inoperative. * No data is sent to the vehicle.

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