2019 Mazda MAZDA3 Technical Service Bulletins

827 technical service bulletins (TSBs) are on record for the 2019 Mazda MAZDA3. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10164047Aug 6, 2019Equipment, Electrical system. 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.
• 10163334Jul 31, 2019Equipment. The database error discovered with IDS 114.00-114.02 release has been fixed with IDS 114.04 release and is now available for download.
• 10163327Jul 30, 2019Forward collision avoidance. Some vehicles may have one of the following DTCs stored in memory: C1001:92 - Forward sensing camera (FSC) poor field of view. B14F0:92 - General temporary failure in forward sensing camera (FSC). DTC C1001:92 or B14F0:92 set as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect. In some cases the customer may have a concern with the Lane Departure…
• 10163357Jul 29, 2019Electrical system. When replacing the Body Control Module (BCM) in a 2019 Mazda3, it needs to be configured and the instructions in the Workshop manual on MGSS are incorrect. Use the instructions in the Repair Procedure below to configure the new BCM.
• 10163329Jul 19, 2019Wheels, Equipment, Tires, Visibility (wipers, defrost, mirrors), Electrical…. 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.
• 10163367Jul 16, 2019Equipment. A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. "Mazda Air Cooling Coil Coating" is available…
• 10163382Jul 15, 2019Electrical system. Some customers may experience that the MAZDA CONNECT unexpectedly announces the speed limit when the Connectivity Master Unit (CMU) wakes up, regardless of the ignition switch position (ON / ACC / OFF). The speed limit is announced when the vehicle is unlocked and a door is opened (waking up the CMU) without touching the start button. This concern occurs on the vehicles located in Canada and Mexico including those…
• 10163378Jul 15, 2019Electrical system. Some customers may experience that the MAZDA CONNECT unexpectedly announces navigation guidance when the Connectivity Master Unit (CMU) wakes up even with the ignition OFF. The navigation guidance is announced the next time the CMU wakes up if the ignition was switched OFF while navigating to a destination was in use. This concern is caused by improper CMU software. To correct the concern, the CMU software has been…
• 10163400Jul 12, 2019Steering. Some vehicles with the two-step deployment control air bag module may exhibit a clicking sound when turning the steering wheel. This is caused by the horn spring (1) of the airbag module interfering with the black color tape (2) of the clock spring harness (3), resulting in a stick-slip noise (click on attached sound file below). To eliminate this concern, a material change of the harness tape is planned.
• 10163328Jul 12, 2019Wheels, Visibility (wipers, defrost, mirrors), Tires, Equipment, Electrical…. 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.
• 10163330Jul 8, 2019Body and structure, Equipment. The 2019 Mexico built Mazda3 trunk has been disabled (interior and exterior switches do not work) during shipment from Mexico to help prevent theft of the key/fob and other accessories as center caps, SD cards etc... hidden in the trunk. This Service Alert describes the steps to retrieve that key/fob (if the key/fob in the main cabin is missing) and the steps for processing warranty depending on missing items or a…
• 10163332Jul 1, 2019Transmission and drivetrain. Some customers may complain about a shift shock at 40-60 mph and/or an engine RPM increase when setting the MRCC with no DTCs are stored. This may be caused by improper PCM software.
• 10162027Jun 25, 2019Equipment. ACCESSORY INSTRUCTIONS LOCATION: Accessory instructions can be found in the Accessory eCatalog. https://ecatalog.trademotion.com/
• 10162022Jun 13, 2019Equipment, Wheels, Brakes, Seats, Tires, Electrical system. 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.
• 10162025Jun 12, 2019Electrical system. On some vehicles, the Commander switch might be inoperative. This could be caused by fuse F13 (15A) being removed instead of F15 at the factory.
• 10162024Jun 12, 2019Lane departure. 7TH GENERATION i-ACTIVSENSE FAQ: The 7th generation i-ACTIVSENSE introduced on the 2019 Mazda3 (BP) has been equipped with updates/new functions. The following FAQs will help to understand the changes from the 6th gen i-ACTIVSENSE in order to provide the customer with correct and detailed information. These FAQs cover the following content: System function, purpose and operating conditions. Operations that…
• 10162011Jun 11, 2019Equipment. In support of the newly launched 2019 Mazda3, Mazda will ship to all dealers one new Special Service Tool (SST). The SST will be shipped automatically by Mazda’s tool vendor, Bosch, during June 2019. The following SST is the latest addition to the Mazda Required Tool (MRT) list. 49JP-02-002A-1 (Lock Ring Wrench (for AWD Set Plate Removal/Installation)
• 10162023Jun 7, 2019Engine cooling, Electrical system. DO NOT use MDARS for CBCM configuration as it will cause other problems like ENGINE NO START. There is an error in MDARS program. This SA will be updated when there is more information.
• 10160578May 20, 2019Transmission and drivetrain, Engine. If you receive a customer concern with the check engine light coming on and DTC P3400 (cylinder deactivation system malfunction) stored, perform the inspection in the Repair Procedure.
• 10160560May 20, 2019Back-over prevention (rear camera), Electrical system. On some vehicles. the center display may turn black and/or DTC U0264:00 may be stored in memory when the rear view monitoring system is on after replacing the rear mount camera. This symptom occurs due to a communication error between the new rear mount camera and a specific old CMU software version. When replacing the rear mount camera with a new one, follow the Repair Procedure below to prevent this concern from…
• 10160603May 13, 2019Equipment, Forward collision avoidance. Some vehicles may experience M-MDS (MDARS) showing the front radar dynamic aiming is incomplete although the procedure is completed. This is caused by faulty front radar software logic and a mass production change is planned. If the screen below is displayed after the front radar dynamic aiming is performed, check the vehicle using the following inspection procedure.
• 10160576May 2, 2019Latches, locks and linkages, Equipment, Back-over prevention (rear camera)…. 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.
• 10159276Apr 25, 2019Equipment, Electrical system. 2019 MAZDA3 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES: 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. Fuse installed at PDI 2. Front Wiper Service Caution 3. i-ACTIVSENSE Switch (New) 4. Traffic Sign Recognition (TSR) Inoperative 5. MAZDA CONNECT (New) 6. Center Display View 7. In-Vehicle…
• 10159205Apr 12, 2019Equipment, Body and structure. The 2019 Mexico built Mazda3 trunk has been disabled (interior and exterior switches do not work) during shipment from Mexico to help prevent theft of the key/fob hidden in the trunk. This Service Alert describes the steps to retrieve that key/fob (if the key/fob in the main cabin is missing).
• 10159197Apr 11, 2019Equipment. 2019 MAZDA3 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES: 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. Fuse installed at PDI 2. Front Wiper Service Caution 3. i-ACTIVSENSE Switch (New) 4. Traffic Sign Recognition (TSR) Inoperative 5. MAZDA CONNECT (New) 6. Center Display View 7. In-Vehicle…
• 10159204Apr 8, 2019Suspension, Wheels. There have been warranty claims submitted for noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
• 10159203Apr 8, 2019Engine. If you receive a customer concern with the check engine light coming on and DTC P3400 (cylinder deactivation system malfunction) stored, perform the inspection in the Repair Procedure.
• 10159198Apr 5, 2019Equipment, Electrical system. Apple carplayã¢â„⢠/ android autoã¢â„⢠frequently asked questions (faq)
• 10159202Apr 3, 2019Electrical system. "IN-VEHICLE NETWORK MALFUNCTION" IS DISPLAYED IN THE INSTRUMENT CLUSTER AND/OR INFOTAINMENT DISPLAY. Some vehicles may display "IN-VEHICLE NETWORK MALFUNCTION" in the Instrument cluster and/or Infotainment display.
• 10159201Apr 1, 2019Equipment. MAZDA IDS INOPERATIVE WITH VCM-II LICENSE EXPIRATION MESSAGE - If you encounter an IDS inoperative problem with VCM-II license expiration message, follow the instructions below: 1. CLICK HERE to download the resetting tool to your PC desktop. 2. Reboot your PC, DO NOT start any application after restarting. 3. Run the resetting tool by double clicking the "Reset.bat" file (on your desktop from step 1). 4. Press any…
• 10155383Mar 29, 2019Equipment. 2019 MAZDA3 SERVICE CAUTIONS FOR NEW AND REVISED FEATURES: 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. Fuse installed at PDI 2. Front Wiper Service Caution 3. i-ACTIVSENSE Switch (New) 4. Traffic Sign Recognition (TSR) Inoperative 5. MAZDA CONNECT (New) 6. Center Display View 7. In-Vehicle…
• 10155442Mar 27, 2019Equipment, Electrical system. APPLE CARPLAY™ / ANDROID AUTO™ FREQUENTLY ASKED QUESTIONS (FAQ). Many frequently asked question and the answers.
• 10154879Mar 20, 2019Fuel system, Equipment, Engine cooling. In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually.
• 10154529Mar 15, 2019Exterior lighting. Some customers may complain of condensation/fog inside the front (headlamp/headlight) or rear (taillamp/taillight) combination lights. The recent new models have been fitted with a clear lens which can cause the symptom to be more noticeable, however, it does not affect the performance of the light. This condensation/fog is a natural phenomenon that occurs when there is a fairly large temperature difference between…
• 10154486Mar 6, 2019Equipment, Electrical system, Brakes. 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…
• 10154461Feb 25, 2019Visibility (wipers, defrost, mirrors). 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. Wiper arm park position is located under the hood. 2. When servicing front wipers, front wiper service mode is required or damage to wiper arms may occur (see Service Information). 3. If wiper arms are replaced, M-MDS is needed for wiper arm adjustment…
• 10154459Feb 20, 2019Seats. Some customers may complain that their seat warmers do not turn on when the engine is restarted after being left on when turning off the engine. The logic has changed from previous Mazdas where the seat warmers automatically turned on when the engine was restarted. Customers in cold weather are more likely to complain about this if their vehicle is equipped with Mazda Mobile Start (MMS) because the MMS accessory…
• 10154458Feb 5, 2019Equipment. SiriusXM Traffic Plus and Travel Link are displayed with Mazda in-vehicle factory navigation systems. Both of these services provide information in the U.S. & Canada. NOTE: SiriusXM Traffic Plus and Travel Link subscription is free of charge for 3 years only if equipped with factory installed navigation system. NOTE: 2019 Mazda3 is not equipped with factory installed navigation system, however, it is available as a…
• 10154457Feb 4, 2019Electrical system. Some customers may complain about a MAZDA CONNECT system reboot or blank screen. Use the flowchart below to repair the vehicle.
• 10153303Jan 24, 2019Equipment. Apple carplay? / android auto? Frequently asked questions (faq)
• 10153318Jan 23, 2019Steering. Some customers may complain that the steering wheel is off center more than 3° even when driving straight on a flat road.
• 10153339Jan 14, 2019Electrical system. 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…
• 10153338Jan 14, 2019Body and structure. Some vehicles may experience stains appearing on the hood, roof and/or trunk of the vehicle. This concern is most likely to be found in cold weather areas just after the RAPGARD is removed at PDI. This may be caused by moisture which has been trapped and condensed between the paint and the RAPGARD. These types of stains can be removed with a heat gun or an infrared drier.
• 10153336Jan 14, 2019Equipment. Some vehicles may exhibit a Connectivity Master Unit (CMU), a BLUETOOTH® hands-free unit or text messaging related concerns. To improve the handling of BLUETOOTH® hands-free and/or text messaging customer concerns, Mazda created a special service and parts exchange program as of February 2010. Customers experiencing related concerns should have their vehicle and/or device inspected according to the following…
• 10153335Jan 14, 2019Seats. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface.
• 10153334Jan 14, 2019Equipment. When encountering a vehicle with paint damage, refer to the "Mazda Pocket Paint Guide" to determine cause, prevention, remedy, and warranty coverage (if applicable). Copies of the Mazda Pocket Paint Guide are available for order on Mazda e-Store (part number: 9999-95-MPPG-12).
• 10153307Jan 14, 2019Brakes. 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…
• 10153306Jan 14, 2019Equipment. 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.
• 10153305Jan 14, 2019Forward collision avoidance. Some vehicles may have DTC C1001:92 stored in memory. DTC C1001:92 sets as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect. In some cases the customer may have a concern with the Lane Departure Warning System (LDWS) and/or High Beam Control system (HBC). In other cases this DTC might be found without a related customer concern.
• 10153333Jan 10, 2019Equipment. Mazda infotainment systems require contacting the proper source for diagnostic support, parts authorization, and parts exchange. Some components require prior authorization before ordering as exchange. Refer to DAG Exchange Central (MXConnect>Parts and Accessories>Parts>Programs>Exchange Central) for component availability, source of technical support and prior authorization requirement.

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