Mazda Mazda3 Service Bulletins
719 manufacturer communications on file.
- June 2, 2021•Document ID: 10198678Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SA-004-21b
- Date Added:
- July 2, 2021
- Manufacturer:
- MAZDA
SummaryWhen 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: 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.
Associated Products (2)Associated Documents - June 2, 2021•Document ID: 10198675Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- SA-013-21f
- Date Added:
- July 2, 2021
- Manufacturer:
- MAZDA
SummarySome customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment (and Software Update Error message on 2020 Mazda3 only). Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
Associated Products (4)Associated Documents - June 1, 2021•Document ID: 10198574Service Bulletin/Repair InstructionsVISIBILITY:POWER WINDOW DEVICES AND CONTROLS
- Mfr Comm. #:
- MT-003-21
- Date Added:
- June 29, 2021
- Manufacturer:
- MAZDA
SummarySome vehicles may experience exterior trim heat damage when parked near a glass building. This may be caused by the suns reflection. If a building creates enough of a curve with a series of flat windows, which act like mirrors, the reflections all converge at one point, focusing and concentrating the light onto the street below.
Associated Products (8)Associated Documents - May 25, 2021•Document ID: 10194655Service Bulletin/Repair InstructionsLATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 09-015-21-3805
- Date Added:
- June 1, 2021
- Manufacturer:
- MAZDA
SummarySome CX-5 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 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. Some Mazda3 customers may complain that the vehicle door locking system does not work when the door lock switch on the liftgate interior trim is pressed. DTC B11C4:23 (BCM - liftgate lock switch circuit malfunction) may be stored. This may be caused during a high pressure car washer. Water may enter through the rear center brand emblem base component and drip onto the switch connector causing corrosion. NOTE: The rusted connector may also cause a battery drain. To eliminate this concern, the rear center brand emblem base has been modified to prevent from water entry.
Associated Products (1)Associated Documents - May 24, 2021•Document ID: 10194778Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- SA-038-21
- Date Added:
- June 2, 2021
- Manufacturer:
- MAZDA
SummaryWhen the body control module (BCM) has been replaced or reprogrammed and the software is updated to the file names shown below, DTC U2050:55-BCM (Activation of remote control not implemented) may be stored in memory without any warning indication for the driver.
Associated Products (2)Associated Documents - May 24, 2021•Document ID: 10194759Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- SA-004-21a
- Date Added:
- June 2, 2021
- Manufacturer:
- MAZDA
SummaryWhen 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: 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.
Associated Products (2)Associated Documents - May 18, 2021•Document ID: 10194887Service Bulletin/Repair InstructionsLANE DEPARTURE; FORWARD COLLISION AVOIDANCE; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- SA-036-21
- Date Added:
- June 3, 2021
- Manufacturer:
- MAZDA
SummarySome 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 build on or before March 2, 2019], No DTC - Gen 7 vehicles built after March 2, 2019, 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 Warning System (LDWS) and/or High Beam Control system (HBC). In other cases this DTC might be found without a related customer concern.
Associated Products (7)Associated Documents - May 13, 2021•Document ID: 10194891Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- SA-034-21
- Date Added:
- June 3, 2021
- Manufacturer:
- MAZDA
SummaryWhen performing vehicle services such as control unit software update, control unit registration/activation, CMU log data retrieval, etc., always use the DCA8000 OR GR8 battery charger SST to maintain battery voltage.
Associated Products (7)Associated Documents - May 11, 2021•Document ID: 10194782Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- SA-033-21
- Date Added:
- June 2, 2021
- Manufacturer:
- MAZDA
SummaryThe rear differential case could develop a crack in the case, as shown below. NOTE: This could affect new vehicles just delivered to the dealer as well as customer vehicles.
Associated Products (5)Associated Documents - May 11, 2021•Document ID: 10194715Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING
- Mfr Comm. #:
- SA-013-21e
- Date Added:
- June 3, 2021
- Manufacturer:
- MAZDA
SummarySome customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment (and Software Update Error message on 2020 Mazda3 only). Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
Associated Products (4)Associated Documents - May 11, 2021•Document ID: 10194714Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- SA-032-21
- Date Added:
- June 3, 2021
- Manufacturer:
- MAZDA
SummaryThere have been warranty claims submitted for growling or bearing whine 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.
Associated Products (8)Associated Documents - May 10, 2021•Document ID: 10194716Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- SA-012-21e
- Date Added:
- June 3, 2021
- Manufacturer:
- MAZDA
SummaryMAZDA CONNECTED SERVICES - FREQUENTLY ASKED QUESTIONS (FAQ): Index: General Questions, Setup and Getting Started, Registration / Enrollment, WI-FI General Information, WI-FI How-To, WI-FI Trial Period, Interacting With The App, Service Issues, Troubleshooting, Reception Level Inspection, Dealer Processes, Conditions for Remote Engine Start Will Not Function, Conditions for Remote Engine Start Function Will turn engine OFF, Educational Videos, Resources
Associated Products (3)Associated Documents - May 7, 2021•Document ID: 10194659Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- MT-002-21
- Date Added:
- June 1, 2021
- Manufacturer:
- MAZDA
SummaryWhen programming a key or installing a Genuine Mazda Accessory Remote Engine Start system, you may encounter programming difficulty. This may be caused by a customer installed aftermarket decorative trim and/or cover on the START/STOP ENGINE button. The aftermarket accessory may create electrical interference, which may interfere with programming.
Associated Products (7)Associated Documents - May 5, 2021•Document ID: 10194657Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT
- Mfr Comm. #:
- MT-001-21
- Date Added:
- June 1, 2021
- Manufacturer:
- MAZDA
SummaryIf you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical concern. Ask the customer if any aftermarket devices have been installed.
Associated Products (6)Associated Documents - May 4, 2021•Document ID: 10194762Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- SA-030-21
- Date Added:
- June 2, 2021
- Manufacturer:
- MAZDA
SummaryAuxiliary key blank cutting procedure: There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method, B. Auxiliary Key Code Cut Method
Associated Products (7)Associated Documents - May 3, 2021•Document ID: 10194757Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; FORWARD COLLISION AVOIDANCE; VEHICLE SPEED CONTROL
- Mfr Comm. #:
- SA-003-21b
- Date Added:
- June 2, 2021
- Manufacturer:
- MAZDA
SummarySome customers may complain about the following symptoms occurring when driving without anything ahead (no metallic object reflects the radar wave such as a vehicle ahead, an oncoming vehicle, a road sign or a guard rail). While using Mazda Radar Cruise Control (MRCC), the MRCC cancels by itself. NOTE: The customer may misinterpret MRCC cancellation as unintended braking. MRCC cancellation feels the same as the steering wheel cancel button being pressed or the brake pedal being tapped.
Associated Products (2)Associated Documents - April 30, 2021•Document ID: 10191535Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 01-004-21-3773a
- Date Added:
- May 4, 2021
- Manufacturer:
- MAZDA
SummarySome vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory. Contamination in the engine oil may cause the engine oil solenoid valve to become stuck, resulting in improper operation of the oil pump and improper oil pressure. DTC P0524:00 (Engine oil pressure too low), DTC P055F:00 (Engine oil pressure malfunction). The control software of the PCM has been modified to eliminate this concern. In addition, the production process has been modified to reduce contamination in the engine oil solenoid valve, oil pump, spacer and oil filter.
Associated Products (4)Associated Documents - April 30, 2021•Document ID: 10191534Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 01-002-21-3767a
- Date Added:
- May 4, 2021
- Manufacturer:
- MAZDA
SummarySome vehicle may exhibit a tapping noise from the engine during idling; etc., and synchronized to the engine rpm. The tapping noise may be caused by the switchable hydraulic lash adjuster (HLA), which may not work properly due to air bubbles accumulated in the oil passage in it. To eliminate this concern, the switchable HLA has been modified for increased oil supply to reduce air bubbles in the oil passage. NOTE: The switchable HLA can be pressed down with a finger if air bubbles have accumulated in it.
Associated Products (4)Associated Documents - April 27, 2021•Document ID: 10191539Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- SA-013-21d
- Date Added:
- May 4, 2021
- Manufacturer:
- MAZDA
SummaryIMPORTANT NOTE: Some 2020 Mazda3 vehicles may have incorrect infotainment software version 10042 installed. The incorrect software will cause MyMazda App Connected Vehicle enrollment errors. Go to SSPC1. 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 (and Software Update Error message on 2020 Mazda3 only). Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
Associated Products (4)Associated Documents - April 27, 2021•Document ID: 10191537Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- SA-003-21a
- Date Added:
- May 4, 2021
- Manufacturer:
- MAZDA
SummarySome customers may complain about the following symptoms occurring when driving without anything ahead (no metallic object reflects the radar wave such as a vehicle ahead, an oncoming vehicle, a road sign or a guard rail). While using Mazda Radar Cruise Control (MRCC), the MRCC cancels by itself. When MRCC is not in use, Safety and Driver Support Systems Temporarily Disabled. Front Radar Obscured. message appears in the instrument cluster / Remove dirt on the front radar sensor message appears in the center display and related i-ACTIVSENSE functions stop working.
Associated Products (2)Associated Documents