2024 Mazda Mazda3 TSBs

244 manufacturer communications for the 2024 Mazda Mazda3 sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2024 Mazda3 problem report covers complaints, recalls, and investigations.

244Communications
16Campaigns & extensions

What the bulletins cover

Electrical103 bulletins
Engine40 bulletins
Body & structure28 bulletins
Transmission & drivetrain21 bulletins
Brakes & stability17 bulletins
Driver assistance10 bulletins

Warranty extensions, campaigns & software updates

Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.

Electrical MSP61 Repair b June 11, 2026 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Brakes & stability MSP61 Warr b June 11, 2026 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Engine SSPD8 Parts and Warr a January 30, 2026 Warranty extension

SSPD8 - Check Engine Light ON with DTC P0126:00 - WARRANTY EXTENSION For certain 2018-2025MY CX-5, 2019-2023MY Mazda3, 2019-2022MY CX-3, 2018-2021MY Mazda6, 2020-2023MY CX-30 that are equipped with the suspected coolant control valve, the warranty coverage for specific repair of…

Electrical MSP61a Repair July 7, 2025 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Electrical MSP61a Warranty July 7, 2025 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Electrical MSP61 FCb March 25, 2025 Service campaign

MSP61 - MAZDA SERVICE PROGRAM - 2024 CX-30 AND 2024 MAZDA3 - CONNECTIVITY MASTER UNIT (CMU) SOFTWARE CONCERN. Mazda Service Program (MSP61) – 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern: When using a Bluetooth® connected…

Electrical MSP61 FCa March 17, 2025 Service campaign

MSP61 - MAZDA SERVICE PROGRAM - 2024 CX-30 AND 2024 MAZDA3 - CONNECTIVITY MASTER UNIT (CMU) SOFTWARE CONCERN. Mazda Service Program (MSP61) – 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern: When using a Bluetooth® connected…

Driver assistance · Speed control · Engine SSPD7 FCa August 6, 2024 Service campaign

Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern

Electrical · Speed control · Driver assistance SSPD7 FC July 26, 2024 Service campaign

Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern

Electrical MSP61 Repair July 23, 2024 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Electrical MSP61 Warranty July 23, 2024 Service campaign

Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…

Electrical MSP61 SSPD7 Dlr Ltr July 23, 2024 Service campaign

Launch of Mazda Service Program MSP61 & Special Service Program SSPD7 Affecting 2024MY CX-30 and Mazda3 Vehicles Mazda Motor Corporation has decided to conduct one Mazda Service Program (MSP61) and one Special Service Program (SSPD7) affecting vehicles in the U.S. and U.S.…

Electrical · Speed control · Driver assistance SSPD7 Owner Letter July 23, 2024 Service campaign

Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern Mazda Motor Corporation has decided to conduct a Special Service Program on certain 2024MY CX-30 vehicles produced from August 22, 2023…

Electrical · Speed control · Driver assistance SSPD7 Repair July 23, 2024 Service campaign

SSPD7 - CX-30 (DM) and Mazda3 (BP) - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern

Driver assistance · Electrical · Speed control SSPD7 Warranty July 23, 2024 Service campaign

SSPD7 - CX-30 (DM) and Mazda3 (BP) - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern

Electrical SSPD7 Dlr Ltr July 15, 2024 Service campaign

ATTENTION ALL MAZDA DEALERS. EFFECTIVE IMMEDIATELY THIS CAMPAIGN IS SUSPENDED. As of July 26, 2024 this campaign is Suspended temporarily. Please read below for any repairs in progress. All repairs in progress can continue using this updated repair procedure and warranty claims…

Most recent service bulletins

The 20 most recent of 244 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Electrical · Steering 06-001-26 July 8, 2026

DESCRIPTION Some customers may complain that the electric power steering warning light illuminates after engine start and DTC U2011:1C is stored. Zinc-plated whisker may form inside the EPS motor and trigger the DTC. However, since it is cleared when power is supplied during DTC…

Visibility & wipers SA-043-26 July 2, 2026

This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-063/24 09/06/24 DESCRIPTION The Blind Spot Monitoring (BSM) system can malfunction with the following symptoms if the rear side radar sensors are installed facing the wrong direction.

Engine · Electrical SA-042-26 July 1, 2026

This Service Alert supersedes the previously issued SAs listed below. The changes are noted in Red text. SA-017/25 12/16/25, 09/08/25, 07/14/25, 05/15/25 and 03/21/25 DESCRIPTION Mazda Connect Frequently Asked Questions (FAQ) Index General Questions MAZDA CONNECT Indication…

Electrical · Engine SA-041-26 June 19, 2026

This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION 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…

Electrical SA-027-26a June 17, 2026

This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-027/26 04/16/26 DESCRIPTION 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…

Electrical SA-039-26 June 16, 2026

This Service Alert supersedes the previously issued SA listed below. The changes are noted in Red text. SA-012/25 10/06/25, 08/21/25, 05/15/25 and 02/27/25 DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair…

Electrical SA-040-26 June 16, 2026

This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-009/25 08/22/25 and 02/18/25 DESCRIPTION Some customers may experience a Connected Vehicle failure. The MyMazda App may display an Error Code. This document provides Error…

Electrical SA-0-38/26 June 16, 2026

DESCRIPTION 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…

Electrical SA-033-26 June 4, 2026

This SA supersedes the previously issued SA(s) listed below. The changes are noted below in Red. SA-029/25 10/16/25 and 06/02/25 DESCRIPTION This service information provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles…

Electrical SA-034-26 May 19, 2026

This service alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-047/25 10/07/25 DESCRIPTION When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after…

Fuel system SA-032-26 May 2, 2026

This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-011/25 10/16/25 and 02/27/25 DESCRIPTION Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) was stuck closed and would not open to…

Transmission & drivetrain 01-003-26a May 1, 2026

This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-003/26 01/30/26 Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. In these cases,…

Body & structure SA-031-26 April 30, 2026

DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the windshield), contact DAG (Dealer Assistance Group) using VIN Plate…

Engine · Brakes & stability · Transmission & drivetrain SA-029-26 April 21, 2026

This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends…

Electrical SA-012-26b April 18, 2026

Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. • Connected Vehicle Remote functions may fail. • The following DTC's may be…

Engine SA-026-26 April 16, 2026

This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally…

Electrical SA-027-26 April 15, 2026

This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery…

Body & structure · Electrical 09-013-26 March 31, 2026

DESCRIPTION Some customers may experience one or both of the following symptoms while locking and unlocking the doors works fine using the remote transmitter. Symptom 1: The touch sensor of the front door outer handle does not lock the doors after rain and/or car washing, even…

Engine SA-014-26 March 11, 2026

This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPTION There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the…

Electrical SA-012-26a March 4, 2026

This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 02/26/2026 DESCRIPTION Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may…

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Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.