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Service bulletins for the 2019 Mazda CX-3

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

449 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
CSP13 Repair2025-05-05. Warranty extension. UNKNOWN OR OTHER. CSP13 - CUSTOMER SERVICE PROGRAM - MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION. As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor Corporation has decided to implement a Customer Service Program (CSP13). The coverage and terms for vehicles are listed below in this Dealer email and in attached documentation. Only certain vehicles, 2014-2018 Mazda3, 2016-2021 Mazda6, 2016-2021 CX-3, 2016-2020 CX-5, 2016-2020 CX-9, 2016-2023 MX-5, 2016-2022 Mazda2(Puerto Rico Market vehicles) AND that have “CSP13” listed in Warranty Vehicle Inquiry are covered under this CSP. Please review the attached document titled “Subject Vehicles CSP13” for details on the covered vehicle models, model year and production VIN ranges.
CSP13 Parts and Warranty2025-05-05. Warranty extension. UNKNOWN OR OTHER. CSP13 - CUSTOMER SERVICE PROGRAM - MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION. As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor Corporation has decided to implement a Customer Service Program (CSP13). The coverage and terms for vehicles are listed below in this Dealer email and in attached documentation. Only certain vehicles, 2014-2018 Mazda3, 2016-2021 Mazda6, 2016-2021 CX-3, 2016-2020 CX-5, 2016-2020 CX-9, 2016-2023 MX-5, 2016-2022 Mazda2(Puerto Rico Market vehicles) AND that have “CSP13” listed in Warranty Vehicle Inquiry are covered under this CSP. Please review the attached document titled “Subject Vehicles CSP13” for details on the covered vehicle models, model year and production VIN ranges.
CSP13 FAQs2025-05-05. Warranty extension. UNKNOWN OR OTHER. CSP13 - CUSTOMER SERVICE PROGRAM - MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION. As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor Corporation has decided to implement a Customer Service Program (CSP13). The coverage and terms for vehicles are listed below in this Dealer email and in attached documentation. Only certain vehicles, 2014-2018 Mazda3, 2016-2021 Mazda6, 2016-2021 CX-3, 2016-2020 CX-5, 2016-2020 CX-9, 2016-2023 MX-5, 2016-2022 Mazda2(Puerto Rico Market vehicles) AND that have “CSP13” listed in Warranty Vehicle Inquiry are covered under this CSP. Please review the attached document titled “Subject Vehicles CSP13” for details on the covered vehicle models, model year and production VIN ranges.
CSP13 Dealer Letter2025-05-05. Warranty extension. UNKNOWN OR OTHER. CSP13 - CUSTOMER SERVICE PROGRAM - MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor Corporation has decided to implement a Customer Service Program (CSP13). The coverage and terms for vehicles are listed below in this Dealer email and in attached documentation. Only certain vehicles, 2014-2018 Mazda3, 2016-2021 Mazda6, 2016-2021 CX-3, 2016-2020 CX-5, 2016-2020 CX-9, 2016-2023 MX-5, 2016-2022 Mazda2(Puerto Rico Market vehicles) AND that have “CSP13” listed in Warranty Vehicle Inquiry are covered under this CSP. Please review the attached document titled “Subject Vehicles CSP13” for details on the covered vehicle models, model year and production VIN ranges.
07-004-252025-05-03. Service bulletin. UNKNOWN OR OTHER. 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 to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years.
SA-020-252025-05-03. Service bulletin. UNKNOWN OR OTHER. There 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.
SSPD8 Repair2025-04-02. Warranty extension. ENGINE. SSPD8 - SPECIAL SERVICE PROGRAM WARRANTY EXTENSION - MULTI-MODEL - CHECK ENGINE LIGHT ON WITH DTC P0126:00.Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the fail-safe thermostat in the coolant control valve on certain CX-5, Mazda3, CX-3, Mazda6 and CX-30 vehicles that are equipped with the suspected coolant control valve. The warranty coverage for a specific repair of fail-safe thermostat has been extended to 15 years (180 months) /150,000 miles (240,000 km) whichever comes first, from the original warranty start date. Concern Outline:On certain subject vehicles, the check engine light is illuminated with DTC P0126:00 (Thermostat stuck open) stored in memory and one or more of the following symptoms may occur: Engine takes longer to warm up, Engine temperature gauge fluctuates, Low coolant temperature indicator (blue) light stays on longer or turns on while driving, Poor heater performance, especially at idle.This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair under this Special Service Program.
SSPD8 FC2025-04-02. Warranty extension. ENGINE. SSPD8 - SPECIAL SERVICE PROGRAM WARRANTY EXTENSION - MULTI-MODEL - CHECK ENGINE LIGHT ON WITH DTC P0126:00.Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the fail-safe thermostat in the coolant control valve on certain CX-5, Mazda3, CX-3, Mazda6 and CX-30 vehicles that are equipped with the suspected coolant control valve. The warranty coverage for a specific repair of fail-safe thermostat has been extended to 15 years (180 months) /150,000 miles (240,000 km) whichever comes first, from the original warranty start date. Concern Outline:On certain subject vehicles, the check engine light is illuminated with DTC P0126:00 (Thermostat stuck open) stored in memory and one or more of the following symptoms may occur: Engine takes longer to warm up, Engine temperature gauge fluctuates, Low coolant temperature indicator (blue) light stays on longer or turns on while driving, Poor heater performance, especially at idle.This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair under this Special Service Program.
SA-016-252025-04-01. Service bulletin. UNKNOWN OR OTHER. The new AWD rear differential DOES NOT come with a breather cap on the rear of the differential, therefore a new one will need to be ordered and installed when replacing the differential. NOTE: The breather threads have a sealant and locking compound that prevents it from being reused. Refer to GEPC for the correct part number of the Differential Breather. The instructions on MGSS will be updated soon to include replacing the breather when replacing the differential with a new unit.
01-003-252025-04-01. Service bulletin. ENGINE. Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable to this service information. If DTC P2B61:00 (Coolant control valve circuit range/performance) accompanies DTC P0126:00, this TSB is not applicable. Diagnose DTCs according to the instructions on MGSS online.
SA-007-252025-03-05. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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 unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.
09-009-252025-03-04. Service bulletin. UNKNOWN OR OTHER. Some customers may complain about infotainment center display: Center display touchscreen operates by itself (Ghost Touch). • The film of the center display may be peeled off. • White dots may appear on the center display. • Spider web-like cracking appearing in the corner(s) of the MAZDA CONNECT center display (the cracks are internal and cannot be felt by touch).
06-001-252025-02-05. Service bulletin. STEERING. Some vehicles may exhibit wear/peel-off of the leather steering wheel surface causing a poor appearance. This concern may be caused by an insufficient wear resistance of the steering wheel surface.
SSPD8 Owner Letter2025-01-04. Warranty extension. ENGINE. Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the fail-safe thermostat installed inside of the suspected coolant control valve on certain 2018-2025 CX-5, 2019-2023 Mazda3, 2019-2022 CX-3, 2018-2021 Mazda6 and 2020-2023 CX-30 vehicles. The warranty coverage for an applicable repair has been extended to 15 years (180 months) /150,000 miles (240,000 km) whichever comes first, from the original warranty start date. If you are a recipient of this notice, your vehicle is included in this warranty extension program. What is the problem? On certain subject vehicles, the check engine light is illuminated with diagnostic trouble code (DTC) P0126, due to the fail-safe thermostat being stuck open. Additionally, you may notice one or more of the following symptoms: -Engine takes longer to warm up. -Engine temperature gauge fluctuates. -Low coolant temperature indicator (blue) light stays on longer or turns on while driving. -Poor heater performance, especially at idle. This warranty extension program applies only to the replacement of fail-safe thermostat of the vehicle exhibiting the concerns mentioned above. If the check engine light illumination is determined to be unrelated to the fail-safe thermostat being stuck open, the inspection and repair are not covered under this program.
CSP122024-12-04. Warranty extension. FUEL/PROPULSION SYSTEM; ENGINE. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
CSP12 Repair2024-12-04. Warranty extension. ENGINE; FUEL/PROPULSION SYSTEM. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
CSP12 Repair MX52024-12-04. Warranty extension. FUEL/PROPULSION SYSTEM; ENGINE. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
CSP12 Parts Warr2024-12-04. Warranty extension. ENGINE; FUEL/PROPULSION SYSTEM. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
CSP12 FAQs2024-12-04. Warranty extension. FUEL/PROPULSION SYSTEM; ENGINE. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
CSP12 Dealer Letter2024-12-04. Warranty extension. ENGINE; FUEL/PROPULSION SYSTEM. CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November 18, 2024 Repair Procedures and Parts and Warranty documents are available.
SA-081-242024-12-04. Service bulletin. UNKNOWN OR OTHER. Some customers may report concerns with interior upholstery surface stains particularly on high contact areas (e.g.: seats, steering wheel, door panels, shifter...etc.). This may be caused by skin oils or chemicals such as hand lotions.
SSPD8 Owner Letter2024-12-04. Warranty extension. ENGINE. On certain subject vehicles, the check engine light is illuminated with diagnostic trouble code (DTC) P0126, due to the fail-safe thermostat being stuck open. Additionally, you may notice one or more of the following symptoms: -Engine takes longer to warm up. -Engine temperature gauge fluctuates. -Low coolant temperature indicator (blue) light stays on longer or turns on while driving. -Poor heater performance, especially at idle. This warranty extension program applies only to the replacement of fail-safe thermostat of the vehicle exhibiting the concerns mentioned above. If the check engine light illumination is determined to be unrelated to the fail-safe thermostat being stuck open, the inspection and repair are not covered under this program.
01-005-24c2024-12-04. Service bulletin. ENGINE. Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle.
SSPD8 Repair2024-11-04. Warranty extension. ENGINE. Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the fail-safe thermostat in the coolant control valve on certain CX-5, Mazda3, CX-3, Mazda6 and CX-30 vehicles that are equipped with the suspected coolant control valve. The warranty coverage for a specific repair of fail-safe thermostat has been extended to 15 years (180 months) /150,000 miles (240,000 km) whichever comes first, from the original warranty start date. Concern Outline: On certain subject vehicles, the check engine light is illuminated with DTC P0126:00 (Thermostat stuck open) stored in memory and one or more of the following symptoms may occur: Engine takes longer to warm up, Engine temperature gauge fluctuates, Low coolant temperature indicator (blue) light stays on longer or turns on while driving, Poor heater performance, especially at idle. This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair under this Special Service Program.
SSPD8 Dealer Letter2024-11-04. Warranty extension. ENGINE. Mazda Motor Corporation has decided to conduct a Special Service Program (SSP) to extend the warranty coverage for a specific repair of the fail-safe thermostat in the coolant control valve on certain CX-5, Mazda3, CX-3, Mazda6 and CX-30 vehicles that are equipped with the suspected coolant control valve. The warranty coverage for a specific repair of fail-safe thermostat has been extended to 15 years (180 months) /150,000 miles (240,000 km) whichever comes first, from the original warranty start date. Concern Outline: On certain subject vehicles, the check engine light is illuminated with DTC P0126:00 (Thermostat stuck open) stored in memory and one or more of the following symptoms may occur: Engine takes longer to warm up, Engine temperature gauge fluctuates, Low coolant temperature indicator (blue) light stays on longer or turns on while driving, Poor heater performance, especially at idle. This is a warranty extension for the specified repair only. Inspection and replacement of non-failed parts will not be eligible for reimbursement under this SSP to the dealer or customer. This program extends the warranty period for actual failures due to defects in workmanship or materials in accordance with the Mazda Warranty Policy and Procedures. If a customer arrives at your dealership with the concern described, please repair under this Special Service Program.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.