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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: Equipment and accessories are shown. Show all

Bulletins, newest first
SA-007-24a2024-05-04. Service bulletin. SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE; EQUIPMENT ADAPTIVE/MOBILITY. This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking. By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
SA-021-242024-05-03. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may complain about intermittent audio no sound from the MAZDA CONNECT infotainment system and/or static noise from the speakers. The concern may be reproduced by tapping on the dash pad near the MAZDA CONNECT center display and the following DTC's may be stored. U0186:08 Communication error with audio amplifier U2145:08 Communication error with remote tuner (RT) U2145:02 Communication error with remote tuner (RT)
SA-017-242024-04-03. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, Climate control
SA-009-24a2024-03-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Frequently Asked Questions (FAQ): General Questions, Reception Level Inspection, Setup and Getting Started, Dealer Processes, Registration / Enrollment, TCU Activation, WI-FI General Information, Conditions for Remote Engine Start Will Not Function, WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF, WI-FI Trial Period, Deactivation Mode, Interacting With The App, Educational Videos, Service Issues, Resources, Troubleshooting Page.
SA-009-242024-03-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Frequently Asked Questions (FAQ): General Questions, Reception Level Inspection, Setup and Getting Started, Dealer Processes, Registration / Enrollment, TCU Activation, WI-FI General Information, Conditions for Remote Engine Start Will Not Function, WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF, WI-FI Trial Period, Deactivation Mode, Interacting With The App, Educational Videos, Service Issues, Resources, Troubleshooting Page.
SA-006-242024-03-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
SA-025-23a2024-01-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.. CAUTION: DO NOT swap TCU with another vehicle as the TCU is VIN locked after activation. A TCU swap with another vehicle will disable Connected Services on both vehicles. If TCU activation is not performed, connected vehicle functions will not operate. This will have a negative impact on the customer because they will need to return to the dealer for repairs.
SA-021-23b2024-01-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Qi Wireless Charger symptom troubleshooting
SA-015-23e2024-01-06. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. Frequently Asked Questions (FAQ): General Questions Reception Level Inspection Setup and Getting Started Dealer Processes Registration / Enrollment TCU Activation WI-FI General Informatio Conditions for Remote Engine Start Will Not Function WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF WI-FI Trial Period Deactivation Mode Interacting With The App Educational Videos Service Issues Resources Troubleshooting Page
SA-077-232023-12-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, HYDRAULIC. This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking. By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
09-039-232023-12-05. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Some customers may experience no sound from the audio system and/or the audio source cannot be changed. This concern may be caused by the remote tuner not operating properly under certain situations. To eliminate this concern, the remote tuner control software has been modified.
01-007-23a2023-12-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 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.
SA-032-23a2023-11-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
SA-009-23i2023-11-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
SA-042-23a2023-11-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some customers may complain about the Active Driving Display not displaying turn by turn (TBT) travel direction or navigation information.
SA-009-23h2023-09-05. Service bulletin. EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
SA-009-23g2023-09-05. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
SA-049-23a2023-09-05. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may experience infotainment door rattle noise. Follow the repair procedure to help determine the cause.
SA-048-232023-09-05. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may experience an infotainment sub-woofer rattle noise. Follow the repair procedure to help determine the cause.
SA-042-232023-08-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some customers may complain about the Active Driving Display not displaying turn by turn (TBT) travel direction or navigation information.
SA-009-23F2023-08-05. Service bulletin. LATCHES/LOCKS/LINKAGES; EXTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
16-008-232023-08-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. Updated software release for concerns with MAZDA CONNECT infotainment system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Ver. 7000C0A-NA01_12006 or later).
09-028-232023-08-03. Service bulletin. EQUIPMENT:ELECTRICAL. Some CX-5 and CX-30 customers may find that the liftgate does not close when pressing the power liftgate (PLG) rear switch (A) located on the interior liftgate trim. This may be caused by PLG switch corrosion. Water from a high pressure car washer and/or condensation may drip onto the switch connector and cause corrosion. To eliminate this concern, the PLG rear switch has been modified with a waterproof connector.
SA-036-232023-07-05. Service bulletin. STRUCTURE; EQUIPMENT. Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface. To remove the stains, wipe the stained surface with a towel soaked with water mixed with a small portion of a neutral detergent. If the white stains reappear again, simply wipe them again in the same way. NOTE: The antistatic effect does not deteriorate with this procedure.
SA-015-23d2023-07-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Connected Services, Frequently Asked Questions (FAQ)

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