2023 Mazda MAZDA3 Technical Service Bulletins

329 technical service bulletins (TSBs) are on record for the 2023 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.

• 10230866Jan 25, 2023Electrical system. Due to the supply chain shortages for BDGF-66-5G0G, hardware has been confirmed compatible between BDGF-66-5G0B up to the G suffix. This can be used for repair with vehicles originally equipped with C to G level suffix parts.
• 10230902Jan 23, 2023Body and structure. When encountering a vehicle with paint damage, refer to the "Mazda Paint Warranty Guide" to determine cause, prevention, remedy, and warranty coverage (if applicable).
• 10230880Jan 23, 2023Electrical system. Some customers may complain about the infotainment system and/or the MyMazda App showing incorrect clock and/or tire pressures and/or tire pressure missing. This may be caused by: - Incorrect calendar entry (month/day/year) after a battery disconnect - Infotainment system software update. - BCM TPMS unlearn during vehicle storage or transport. - Wheel/Tire change
• 10230865Jan 23, 2023Engine cooling. When servicing SKYACTIV engine vehicles requiring to replace the Oil Galley Plug and Crush Washer, order the required part numbers below. These parts are not listed in GEPC and were previously listed as "non-serviceable" in the cylinder block diagram.
• 10230878Jan 19, 2023Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10230875Jan 11, 2023Brakes. 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.
• 10230894Jan 3, 2023Electrical system. Some vehicles may exhibit DTC U3000:04 (Telematics communication unit internal malfunction) stored after the connected service contract has been discontinued (only vehicles in which the customer opted out of CV services are affected - CSP04). This is caused by improper control software of telematics communication unit. To eliminate this concern, the control software of telematics communication unit has been modified.
• 10228661Dec 22, 2022Brakes. Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake. This is due to rust on the rear brake disc plate.
• 10228657Dec 20, 2022Brakes. 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.
• 10228658Dec 15, 2022Vehicle speed control, Electrical system. Some customers may complain that there are warning sounds when depressing accelerator pedal while the shifter is in the N (Neutral) position, this is caused by improper control software in the PCM. To correct this issue, the PCM control software has been modified.
• 10228650Dec 14, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10228653Dec 13, 2022Electrical system. MAZDA CONNECTED SERVICES Frequently Asked Questions (FAQ)
• 10228652Dec 13, 2022Electrical system. Some customers may complain about any of the following: * Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. * Remote function(s) inoperative. - Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF * MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong…
• 10228651Dec 7, 2022Equipment. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
• 10228655Dec 6, 2022Visibility (wipers, defrost, mirrors), Equipment. The purpose of this Service Alert is to remind dealers to keep the protective films on the piano black door garnishes attached until just before delivering the vehicle to the customer. The protective films are attached on new vehicles when shipped from the factory in order to avoid being scratched during transportation and while in dealer stock.
• 10228648Dec 1, 2022Engine cooling. Some vehicles may experience the Check Engine Light ON with DTC P0171 (Fuel Trim too Lean) and possibly DTCs P030X (Misfire). Vehicles having this concern should use the following Inspection/Repair procedure.
• 10226814Nov 18, 2022Suspension. Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
• 10226924Nov 14, 2022Electrical system. 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. Examples: 1. Devices connected to the…
• 10226918Nov 1, 2022Electrical system. 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.
• 10225767Oct 17, 2022Transmission and drivetrain. The new SKYACTIV-DRIVE FW6A-EL AT uses "Automatic Transmission Fluid (ATF) Type: FZ". Only use "ATF-FZ" to fill or top off the fluid level. ATF-FZ is specially designed for use in the SKYACTIV-DRIVE series AT. It is a low viscosity formula with less friction for better fuel economy. NOTE: ATF-FZ is colored blue for easy identification.
• 10225724Oct 17, 2022Body and structure. Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
• 10225763Oct 12, 2022Electrical system. 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…
• 10225761Oct 12, 2022Electrical system. Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no DTC: * C1001:92 - Forward sensing camera (FSC) poor field of view [Gen 6 vehicles] * B14F0:92 - General temporary failure in forward sensing camera (FSC) [Gen 7 vehicles built on or before March 2, 2019] * No DTC - Warning Message only [Gen 7…
• 10225751Oct 10, 2022Engine cooling. Some vehicles equipped with a coolant control valve may exhibit difficulties when refilling the coolant because the control valve is closed and air in the engine cannot escape during ignition ON. Therefore, turn the ignition OFF when refilling engine coolant using the radiator filler neck.
• 10225730Oct 10, 2022Equipment. Mazda Connected Services Frequently Asked Questions (FAQs)
• 10225727Oct 10, 2022Electrical system. Some customers may complain about any of the following: * Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. * Remote function(s) inoperative. - Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF * MAZDA CONNECT connected vehicle reception strength icon shows "X" or " "
• 10225739Oct 4, 2022Transmission and drivetrain. A New Automatic Transmission Fluid (ATF-A7) is being used for the 2023 Mazda3 and CX-30 with cylinder deactivation
• 10225720Oct 4, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10222563Sep 29, 2022Electrical system. The Blind Spot Monitoring (BSM) system can malfunction with the following symptoms if the rear side radar sensors are installed facing the wrong direction. - BSM system indicates vehicle on the opposite side. - i-ACTIVSENSE indicator ring will not turn green - Rear Cross Traffic Alert (RCTA) does not work - Rear side radar sensor

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