2019 Mazda MX-5 Technical Service Bulletins

301 technical service bulletins (TSBs) are on record for the 2019 Mazda MX-5. 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.

• 11011326Nov 8, 2024Engine, Fuel 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.
• 11011141Nov 8, 2024Other or unknown. 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.
• 11009644Oct 5, 2024Brakes. 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.
• 11008577Sep 12, 2024Other or unknown. Some customers may complain about scratches on the instrument cluster lens.
• 10251387Feb 12, 2024Brakes, Steering, Transmission and drivetrain, Wheels, Tires, Engine cooling. 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 manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
• 10251368Feb 6, 2024Equipment, Electrical system. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
• 10248392Dec 5, 2023Engine cooling. 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 bleed hole. This Service Alert is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.
• 10248385Dec 1, 2023Equipment. 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 NOTE: The occurrence of the symptoms depends on the vehicle model and the parts.
• 10246121Nov 7, 2023Electrical system, Equipment. 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.
• 10244679Oct 11, 2023Equipment, Electrical system, Engine cooling. 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.
• 10243568Sep 15, 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.
• 10243569Sep 13, 2023Visibility (wipers, defrost, mirrors), Body 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.
• 10241637Aug 28, 2023Electrical system. Some customers may complain about scratches on the instrument cluster lens.
• 10240496Jul 6, 2023Body 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.
• 10238663Jun 5, 2023Engine cooling. Some vehicles may exhibit oil leakage from the drive belt auto tensioner and rattling noises from the engine compartment. This may be caused by insufficient sealing at the drive belt auto tensioner damper when the auto tensioner fully operates under both high ambient temperature and high load conditions. To eliminate this concern, the shape of the drive belt auto tensioner damper has been changed.
• 10238695Jun 1, 2023Engine cooling. Some customers may complain of a lack of power under heavy load without any warning lights or DTCs. This concern may be due to a loose or detached hood weatherstrip, which can cause a blockage or restriction in the air intake system.
• 10237217May 24, 2023Electrical system. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
• 10237216May 24, 2023Engine cooling, Electrical 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.
• 10237215May 17, 2023Wheels. Some automotive cleaning products contain strong acid or alkali. When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains or discoloration.
• 10237197May 9, 2023Electrical system. 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.
• 10233698Mar 29, 2023Body and structure, Seats. Some vehicles may exhibit scratches (1) on the rear of the seat back bar garnish (2) from contact with the convertible top. Due to assembly variations, the clearance between the seat back bar garnish and the convertible top is too small on some vehicles.
• 10233669Mar 21, 2023Equipment. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method. B. Auxiliary Key Code Cut Method
• 10233704Mar 1, 2023Visibility (wipers, defrost, mirrors). Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.
• 10232299Feb 28, 2023Electrical system. Speedometer replacement procedure
• 10232300Feb 1, 2023Electrical system. Some customers may complain that the ambient temperature on the instrument cluster is displayed more than 50 °F (10°C) lower than the actual temperature, resulting in insufficient performance of the air conditioning. This is caused by inappropriate soldering in the ambient temperature sensor. To eliminate this concern, the soldering process has been enhanced since December 2021 at the supplier.
• 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).
• 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.
• 10230901Jan 18, 2023Electrical system, Seat belts. Some customers may complain that the front passenger seat belt warning light flashes and the seat belt warning beep is activated, even though there is no occupant in the front passenger seat. When a passenger seat occupant sits with a load on the front side for a long time with the seat warmer on, the occupancy sensor becomes dented and sensitive. As a result, the sensor determines that there is an occupant in the…
• 10230899Jan 12, 2023Equipment. 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 NOTE: The occurrence of the symptoms depends on the vehicle model and the parts. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display…
• 10230870Jan 12, 2023Equipment. Some customers may complain about infotainment center display: - Ghost Touch - DTC B108E:04 may be stored (Touch screen operates by itself) - Surface Peeling - DTC B108E:04 may be stored - Spider Cracks - White dots IMPORTANT NOTE: DO NOT replace the infotainment center display assembly. Low cost repair kits are available to repair the infotainment center display screen.
• 10230864Jan 12, 2023Equipment. This Parts Flash replaces RF-22-01R2 released January 04, 2022. It includes new display repair kit part numbers for the 2018-2019 Mazda2, 2018-2020 CX-3 and 2018-2020 MX-5. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors.
• 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.
• 10230863Jan 4, 2023Equipment. This Parts Flash replaces RF-22-01R released November 21, 2022. It includes a new display repair kit part number for the 2020-2022 MX-5. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors.
• 10230897Jan 3, 2023Equipment. 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 NOTE: The occurrence of the symptoms depends on the vehicle model and the parts. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display…
• 10230869Jan 3, 2023Equipment. Some customers may complain about infotainment center display: - Ghost Touch - DTC B108E:04 may be stored (Touch screen operates by itself) - Surface Peeling - DTC B108E:04 may be stored - Spider Cracks - White dots IMPORTANT NOTE: DO NOT replace the infotainment center display assembly. Low cost repair kits are available to repair the infotainment center display screen.
• 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.
• 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
• 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.
• 10226930Nov 22, 2022Equipment, Electrical system. Some customers may complain about infotainment center display: * Ghost Touch * DTC B108E:04 may be stored (Touch screen operates by itself) * Surface Peeling * DTC B108E:04 may be stored * Spider Cracks * White dots
• 10226834Nov 22, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 74.00.324 or later). The system performance has been improved as follows: Ver. 74.00.324 fixes these software errors (bugs): * If the shift lever is operated quickly while displaying the CarPlayTM screen, the rear view screen may not return to the CarPlayTM screen.
• 10226914Nov 21, 2022Electrical system, Equipment. Repair kits are available to replace just the screen. There is no need to replace the entire infotainment display unit as the supply chain has been heavily impacted due to the global shortage of semiconductors. Please use the table below when ordering the screen repair kits. This can also be found in Service Alert SA-041/22.
• 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…
• 10226923Nov 14, 2022Visibility (wipers, defrost, mirrors), Electrical system. Some customers may complain the HVAC system not maintaining the correct temperature or the ambient (outside) temperature reading incorrectly. This is caused by a failure in the ambient temperature sensor. To correct this issue, the ambient temperature sensor has been modified.
• 10225780Oct 20, 2022Seat belts, Electrical system. Some customers may complain that the front passenger seat belt warning light flashes and the seat belt warning beep is activated, even though there is no occupant in the front passenger seat. When a passenger seat occupant sits with a load on the front side for a long time with the seat warmer on, the occupancy sensor becomes dented and sensitive. As a result, the sensor determines that there is an occupant in the…
• 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.
• 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…
• 10225783Oct 11, 2022Electrical system. If the right-side Blind Spot Monitoring (BSM) control module is replaced for any reason, it is also necessary to replace the left-side BSM control module in order to complete the radar aiming procedure. If the right-side BSM control module is replaced alone, "Automatic Configuration" and "BSM Radar Aiming" cannot be completed due to a programming error in the module.
• 10222574Sep 6, 2022Body and structure. Some vehicles may experience improper roof draining and may flood the interior of the vehicle. This may be caused by clogging in the roof drainpipe and improper drainage cleaning. Some customers may not be aware of the necessity of drainage cleaning and foreign matter (dust or fallen leaves) may accumulate in the drainpipe. Explain the necessity of the cleaning and its procedure described in the owner’s manual…
• 10218720Aug 9, 2022Electrical system. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.

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