Please note: The TSB information displayed below are summaries. We do not have access to the full versions. To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.

The TSB numbers are the NHTSA numbers, which are different from the manufacturer-assigned TSB numbers — the NHTSA doesn't keep track of those. It's a very screwed up situation that's almost completely unhelpful to you as the consumer. Use the issue date or the title when asking your dealer for more information about a TSB.

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #02-014-18-3503

      NHTSA ID #10145245

      • Date Announced: SEPTEMBER 04 2018
      • Additional Info: How to Fix

      Summary: Some vehicles may experience a creaking noise from the front shock absorber when going over bumps. Upon inspection, the coil spring is found to be broken at the lower part without any trace of an accident. It may be found during maintenance

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    SERVICE BRAKES, HYDRAULIC

    • TSB #00-003-18-3480a

      NHTSA ID #10148003

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 ap

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    ENGINE (PWS)

    • TSB #09-037-18-3534a

      NHTSA ID #10148073

      • Date Announced: OCTOBER 25 2018
      • Additional Info: How to Fix

      Summary: Some vehicles equipped with MAZDA CONNECT may exhibit the following oil maintenance monitor concerns on the center display: The wrench light (Oil Change Due message) cannot be cleared using MAZDA CONNECT/Applications/Vehicle Status Monitor/

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    • TSB #01-015-18-3513a

      NHTSA ID #10148004

      • Date Announced: OCTOBER 23 2018
      • Additional Info: How to Fix

      Summary: Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 and U0401:00 stored in the PCM memory when engine cranking is interrupted and on A/T vehicles, DTC U0442:00 is also stored. This concern most likel

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    • TSB #MT-008-18

      NHTSA ID #10145239

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain about: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator, light flashing, Battery discharge, Electrical relay buzzing noise.This may be ca

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    • TSB #SA-040-18

      NHTSA ID #10144336

      • Date Announced: AUGUST 24 2018
      • Additional Info: How to Fix

      Summary: Some vehicles may experience a check engine light on and/or failsafe with DTC P061B:00 stored in the PCM. This condition will likely occur as a result of one of the following causes: Engine cranking was interrupted by releasing the brake pe

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    • TSB #MT-008-18

      NHTSA ID #10144013

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ENGINE NO START (KEY NOT DETECTED): Some customers may complain about the following: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator light flashing.

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    • TSB #MT-007-18

      NHTSA ID #10144012

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ENGINE NO START AND / OR REAR VIEW MONITOR DISPLAY IS BLURRY DUE TO AFTERMARKET ELECTRICAL DEVICE: Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket a

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    • TSB #SA-026-18

      NHTSA ID #10142533

      • Date Announced: MAY 08 2018
      • Additional Info: How to Fix

      Summary: If a vehicle is driven on extremely short trips most of the time (where the engine never reaches normal operating temperature), the engine oil may become diluted with fuel and the engine oil level will increase. Engine oil dilution with fue

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    ENGINE AND ENGINE COOLING

    • TSB #SA-029-18

      NHTSA ID #10143955

      • Date Announced: JUNE 06 2018
      • Additional Info: How to Fix

      Summary: IMPORTANT: 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 a

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    POWER TRAIN:AXLE ASSEMBLY

    • TSB #SA-037-18

      NHTSA ID #10144334

      • Date Announced: AUGUST 15 2018
      • Additional Info: How to Fix

      Summary: Service part Automatic Transaxles (ATX) manufactured on or after July, 2018 are shipped with a blank TCM that requires configuration.

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    ELECTRICAL SYSTEM

    • TSB #09-037-18-3534a

      NHTSA ID #10148073

      • Date Announced: OCTOBER 25 2018
      • Additional Info: How to Fix

      Summary: Some vehicles equipped with MAZDA CONNECT may exhibit the following oil maintenance monitor concerns on the center display: The wrench light (Oil Change Due message) cannot be cleared using MAZDA CONNECT/Applications/Vehicle Status Monitor/

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    • TSB #MT-004-18

      NHTSA ID #10145237

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: 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 Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical c

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    • TSB #09-035-18-3509

      NHTSA ID #10145252

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: Some customers may experience one or more electrical malfunctions after a vehicle body repair. The newly painted fender stay (2) may be causing a poor front harness (1) ground connection.

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    • TSB #MT-008-18

      NHTSA ID #10145239

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain about: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator, light flashing, Battery discharge, Electrical relay buzzing noise.This may be ca

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    • TSB #MT-007-18

      NHTSA ID #10145238

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket accessory device. Some aftermarket electrical devices (e.g., an accessory cell phone charger, GPS tra

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    • TSB #SA-036-18

      NHTSA ID #10143982

      • Date Announced: JULY 30 2018
      • Additional Info: How to Fix

      Summary: MAZDA MOBILE START (MMS) APP ERROR MESSAGE INSTALLED ON ANDROID DEVICES: Customers may get an error message "Device no longer has access or service." for the MMS APP installed on android devices starting 8/1/18. Inform the customer that all

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    • TSB #SA-035-18

      NHTSA ID #10143981

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: MAZDA MOBILE START (MMS) UPDATE INSTRUCTIONS: The current installation instructions for Mazda Mobile Start (MMS) on a 2019 CX-3 are incorrect when inserting the hood switch wire into the C-01 connector. Use the attached supplement sheet whe

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    • TSB #MT-007-18

      NHTSA ID #10144012

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ENGINE NO START AND / OR REAR VIEW MONITOR DISPLAY IS BLURRY DUE TO AFTERMARKET ELECTRICAL DEVICE: Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket a

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    • TSB #MT-004-18

      NHTSA ID #10144010

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ELECTRICAL CONCERN AND/OR MULTIPLE DTC'S DUE TO AFTERMARKET DEVICE: 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 Workshop Manual

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    • TSB #09-010-18-3440a

      NHTSA ID #10143964

      • Date Announced: JUNE 06 2018
      • Additional Info: How to Fix

      Summary: Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 59.00.546 or later). NOTE: For 2016 CX-9 with version earlier than 59.00.441, the tachometer function will be removed fro

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    ELECTRICAL SYSTEM:BATTERY

    • TSB #MT-008-18

      NHTSA ID #10145239

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain about: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator, light flashing, Battery discharge, Electrical relay buzzing noise.This may be ca

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    • TSB #MT-004-18

      NHTSA ID #10145237

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: 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 Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical c

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    ELECTRICAL SYSTEM: SOFTWARE

    • TSB #SA-016-18

      NHTSA ID #10134944

      • Date Announced: MARCH 26 2018
      • Additional Info: How to Fix

      Summary: If the MAZDA CONNECT Connectivity Master Unit (CMU) is replaced due to failure, the replacement CMU may have a navigation system software error. To resolve this concern, after the installation of the new CMU, check the software version.

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    VISIBILITY:REARVIEW MIRRORS/DEVICES

    • TSB #MT-007-18

      NHTSA ID #10144012

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ENGINE NO START AND / OR REAR VIEW MONITOR DISPLAY IS BLURRY DUE TO AFTERMARKET ELECTRICAL DEVICE: Some customers may complain about the following: Engine no start. A blurry rear view monitor display. This may be caused by an aftermarket a

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    AIR BAGS: OCCUPANT CLASSIFICATION SYSTEM OCS

    • TSB #SA-027-18

      NHTSA ID #10142534

      • Date Announced: MAY 23 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain that the passenger seat belt warning light is ON and the PASS AIRBAG OFF indicator light is OFF with no front passenger in the seat. This may be caused by an electrical device (smart phone, tablet, laptop. etc.)

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    SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

    • TSB #SA-027-18

      NHTSA ID #10142534

      • Date Announced: MAY 23 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain that the passenger seat belt warning light is ON and the PASS AIRBAG OFF indicator light is OFF with no front passenger in the seat. This may be caused by an electrical device (smart phone, tablet, laptop. etc.)

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    STRUCTURE

    • TSB #09-021-18-3459a

      NHTSA ID #10148071

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 a cold weather areas just after the RAPGARD is removed at PDI. This may becaused by moisture which has b

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    • TSB #09-014-18-3443a

      NHTSA ID #10148068

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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-

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    VEHICLE SPEED CONTROL

    • TSB #09-034-18-3430a

      NHTSA ID #10148072

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 co

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    • TSB #09-034-18-3430

      NHTSA ID #10144333

      • Date Announced: AUGUST 31 2018
      • Additional Info: How to Fix

      Summary: 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 co

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    WHEELS

    • TSB #SA-028-18

      NHTSA ID #10142535

      • Date Announced: MAY 30 2018
      • Additional Info: How to Fix

      Summary: Some vehicles with accessory installed wheel locks may have had the wrong kit installed using a 21 mm wheel lock key. As of May 01, 2018, Japan produced vehicles use 17 mm hex lug nuts instead of 21 mm on the same size thread. Follow the in

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    WHEELS:LUGS/NUTS/BOLTS

    • TSB #SA-028-18

      NHTSA ID #10142535

      • Date Announced: MAY 30 2018
      • Additional Info: How to Fix

      Summary: Some vehicles with accessory installed wheel locks may have had the wrong kit installed using a 21 mm wheel lock key. As of May 01, 2018, Japan produced vehicles use 17 mm hex lug nuts instead of 21 mm on the same size thread. Follow the in

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    SEATS

    • TSB #09-015-18-3445a

      NHTSA ID #10148069

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. Customers having this concern should have their vehicle repaired by a qualified upholstery repair spec

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    LANE DEPARTURE

    • TSB #00-004-18-3515

      NHTSA ID #10144324

      • Date Announced: AUGUST 10 2018
      • Additional Info: How to Fix

      Summary: In support of the new Mazda MX-5 and CX-3, Mazda will make available for loan on a "as-needed" basis, a Special Service Tool (SST) to allow for the radar aiming of the blind spot monitoring (BSM) system. The(BSM) radar aiming is performed w

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    EQUIPMENT

    • TSB #00-001-18-3446a

      NHTSA ID #10148002

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 man

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    • TSB #09-020-18-3458b

      NHTSA ID #10148070

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 s

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    • TSB #09-034-18-3430a

      NHTSA ID #10148072

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 co

      More Information »

    • TSB #09-014-18-3443a

      NHTSA ID #10148068

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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-

      More Information »

    • TSB #00-003-18-3480a

      NHTSA ID #10148003

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 ap

      More Information »

    • TSB #09-021-18-3459a

      NHTSA ID #10148071

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 a cold weather areas just after the RAPGARD is removed at PDI. This may becaused by moisture which has b

      More Information »

    • TSB #MT-004-18

      NHTSA ID #10145237

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: 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 Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical c

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    • TSB #MT-004-18

      NHTSA ID #10144010

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ELECTRICAL CONCERN AND/OR MULTIPLE DTC'S DUE TO AFTERMARKET DEVICE: 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 Workshop Manual

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    • TSB #SA-034-18

      NHTSA ID #10143980

      • Date Announced: JULY 16 2018
      • Additional Info: How to Fix

      Summary: MAZDA CONNECT SYSTEM FREQUENTLY ASKED QUESTIONS (FAQ)

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    • TSB #SA-031-18

      NHTSA ID #10143957

      • Date Announced: JUNE 27 2018
      • Additional Info: How to Fix

      Summary: When troubleshooting a radar unit, DO NOT swap it with another vehicle. Radar units are configured to the original vehicle, and if installed in another vehicle, a configuration error will occur. Refer to MGSS (RADAR UNIT INSPECTION) for pro

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    • TSB #09-020-18-3458a

      NHTSA ID #10143965

      • Date Announced: JUNE 20 2018
      • Additional Info: How to Fix

      Summary: 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 s

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    EQUIPMENT:ELECTRICAL

    • TSB #09-020-18-3458b

      NHTSA ID #10148070

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 s

      More Information »

    • TSB #MT-008-18

      NHTSA ID #10144013

      • Date Announced: JULY 20 2018
      • Additional Info: How to Fix

      Summary: ENGINE NO START (KEY NOT DETECTED): Some customers may complain about the following: Intermittent engine no start, Instrument cluster red security indicator light ON, Engine Start/Start Button Amber indicator light flashing.

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    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #SA-044-18

      NHTSA ID #10145256

      • Date Announced: SEPTEMBER 21 2018
      • Additional Info: How to Fix

      Summary: Some customers may complain about the Panic Alarm system activating while driving with the following results: The alarm stops when cycling the ignition OFF and then back ON. No DTCs are stored. Contact Hotline for the latest repair informat

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    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #00-001-18-3446a

      NHTSA ID #10148002

      • Date Announced: OCTOBER 10 2018
      • Additional Info: How to Fix

      Summary: 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 man

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