2020 Mazda CX-9Service bulletins
2020 Mazda CX-9 Technical Service Bulletins
327 technical service bulletins (TSBs) are on record for the 2020 Mazda CX-9. 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.
- 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.
- 11009654Oct 24, 2024Transmission and drivetrain. The SKYACTIV-DRIVE FW6A-EL AT uses “Automatic Transmission Fluid (ATF) Type: FZ”. Only use “ATF-FZ” to fill or top off the fluid level. ATF-FZ is specially designed for use in the SKYACTIV-DRIVE series AT. It is a low viscosity formula with less friction for better fuel economy. NOTE: ATF-FZ is colored blue for easy identification.
- 11009660Oct 18, 2024Engine. Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first, for necessary repairs if the covered vehicle has coolant leaks at the cylinder head, around the exhaust manifold. A dealer must inspect and confirm the covered vehicle is exhibiting coolant leaks at the cylinder head around the exhaust…
- 11009659Oct 18, 2024Engine. Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first, for necessary repairs if the covered vehicle has coolant leaks at the cylinder head, around the exhaust manifold. A dealer must inspect and confirm the covered vehicle is exhibiting coolant leaks at the cylinder head around the exhaust…
- 11009658Oct 18, 2024Engine. Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first, for necessary repairs if the covered vehicle has coolant leaks at the cylinder head, around the exhaust manifold. A dealer must inspect and confirm the covered vehicle is exhibiting coolant leaks at the cylinder head around the exhaust…
- 11009661Oct 16, 2024Engine. Please review the entire Dealer Email below announced on October 17, 2024 for full details regarding this campaign. Warranty Information is at the bottom of the TSB Parts and Warranty information and Repair Procedures will be available by October 25, 2024.
- 11009634Oct 12, 2024Body and structure. Some customers may complain that the power liftgate (PLG) may open unintentionally while the vehicle is parked or stopped. Due to the shape of the 7th generation remote transmitter, the power liftgate button may be long pressed unintentionally in a pocket or a bag. To eliminate this concern, the keyless control specification has been modified. The button press time has been increased from 0.5 seconds to 1 second.
- 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.
- 11007029Aug 26, 2024Electrical system. For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV® vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
- 11007009Aug 21, 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.
- 11007022Aug 15, 2024Body and structure. Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
- 11007019Aug 15, 2024Other or unknown, Electrical system, Engine. 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.
- 11007018Aug 13, 2024Body and structure. Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface. To remove the stains, wipe the stained surface with a towel soaked with water mixed with a small portion of a neutral detergent. If the white stains reappear again, simply…
- 11007013Aug 12, 2024Other or unknown. Auxiliary 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
- 11006987Aug 8, 2024Other or unknown, Electrical system. 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 comply with Federal, State, and local laws concerning odometer and related documentation requirements when providing a repair or replacement. Mazda vehicles are manufactured with…
- 11007010Aug 7, 2024Transmission and drivetrain, Engine. Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service.
- 11006917Aug 6, 2024Other or unknown, Body and structure, Electrical system. Some customers may complain that their liftgate does not open. This can mean a range of things, from the liftgate not unlatching to the power liftgate (PLG) not opening automatically. If you confirm that the customer's concern is that the liftgate does not unlatch correctly, follow the repair information below.
- 11006998Aug 5, 2024Other or unknown, Electrical system. Use the symptom troubleshooting tables below to diagnose MAZDA CONNECT concerns.
- 11005671Jul 29, 2024Other or unknown. 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.
- 11005549Jul 25, 2024Electrical system, Body and structure. Some customers may complain that the power liftgate (PLG) may open unintentionally while the vehicle is parked or stopped. Due to the shape of the 7th generation remote transmitter, the power liftgate button may be long pressed unintentionally in a pocket or a bag. To eliminate this concern, the keyless control specification has been modified. The button press time has been increased from 0.5 seconds to 1 second.
- 11005551Jul 18, 2024Seats. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. • Wrinkles may not be completely removed after the repair is completed. • Leather is a natural material and may develop some wrinkles due…
- 11005550Jul 17, 2024Seats, Electrical system. Some vehicles may experience the seat ventilation system still on after the engine has been turned off, in some cases this causes the battery to be completely discharged and not rechargeable. This is caused by a deterioration in the seat ventilation control unit. To eliminate this concern, the material for the circuit of the seat ventilation control unit has been modified.
- 11003398Jun 7, 2024Other or unknown. 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.
- 11003397Jun 7, 2024Wheels. 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.
- 11003396Jun 7, 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.
- 11000775Jun 1, 2024Engine. 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.
- 11000772Jun 1, 2024Other or unknown. 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 at the supplier.
- 11000785May 22, 2024Electrical 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. NOTE: A Warranty Code is required for warranty claim submission
- 11000673May 14, 2024Other or unknown. Some customers may complain that the rear console / cup holder area is warming. The warming is caused by heat radiating from the rear heater core, which is located under the console. The warm air created by the heater core escapes through small
- 10254187Apr 26, 2024Other or unknown, Equipment. Some customers may complain about infotainment center display. Peeling, spider cracks and white dots.
- 10254188Apr 22, 2024Other or unknown, Electrical 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 at the supplier.
- 10254191Apr 10, 2024Wheels. 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.
- 10254088Apr 8, 2024Electrical system, Latches, locks and linkages. Some customers may complain that the power liftgate (PLG) may open unintentionally while the vehicle is parked or stopped. Due to the shape of the 7th generation remote transmitter, the power liftgate button may be long pressed unintentionally in a pocket or a bag. To eliminate this concern, the keyless control specification has been modified. The button press time has been increased from 0.5 seconds to 1 second.
- 10252508Mar 8, 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.
- 10252507Mar 6, 2024Transmission and drivetrain. Due to limitations, certain vehicles from 2016 to current models might display an inaccurate transmission part number in the Global Electronic Parts Catalog (GEPC). To provide support in such cases, a temporary lookup guide has been developed for assistance.
- 10252504Mar 5, 2024Body 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).
- 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.
- 10251363Feb 2, 2024Body and structure, Latches, locks and linkages. Some vehicles may exhibit a creaking or clacking noise when operating the power lift gate (PLG). The noise may be caused by the following: Creaking noise: Dust and dirt accumulates on the sealing portion of the PLG drive unit, reducing sealing performance. Snow and water may enter the PLG drive unit. Humidity then causes rust inside of the unit, resulting in noise.
- 10249497Jan 23, 2024Steering. Some customers may complain about a creaking, knocking, rattle or clunk noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
- 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.
- 10248384Dec 1, 2023Steering. Some customers may complain about a creaking noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
- 10246133Nov 20, 2023Seats. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface.
- 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.
- 10244671Oct 17, 2023Suspension. 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.
- 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.
- 10243547Sep 7, 2023Steering. Some customers may complain about a creaking noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
← All problems reported for the 2020 Mazda CX-9
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.