2021 Mazda CX-9 Technical Service Bulletins

428 technical service bulletins (TSBs) are on record for the 2021 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.

• 10219228Aug 25, 2022Electrical system. Some customers may complain about any of the following: - Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. - Remote function(s) inoperative. - Engine Start / Stop - Door Lock / Unlock - Lights ON / OFF - MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong…
• 10218735Aug 22, 2022Electrical 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.
• 10218724Aug 22, 2022Equipment. Some customers may complain about poor A/C performance due to low refrigerant. This may be caused by the low-temperature side outlet pipe leading to the evaporator of the air conditioner condenser deteriorating because the structure around the outlet pipe on the low-temperature side of the air conditioner condenser allows mud and salt water to adhere easily. There is no mass production change, but an improved…
• 10218733Aug 17, 2022Electrical system. Some vehicles may experience the MyMazda App not communicating to the vehicle properly which may result in the condition monitor information is not refreshed or remote door lock/unlock not functioning. This is caused by a failure in communication between the telematics communication unit and the MyMazda App. To correct this issue, the control software of the telematics communication unit has been modified.
• 10218768Aug 11, 2022Electrical system. Some customers may complain that Mazda Connect does not start or that it takes a long time to restart after starting the vehicle. This is caused by the initialization process with the CMU failing at startup due to a defective circuit board element. To eliminate this concern, the internal hardware of the CMU has been improved.
• 10218719Aug 1, 2022Latches, locks and linkages. 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
• 10217206Jul 28, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA03_11040 or later).
• 10217209Jul 18, 2022Electrical system. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
• 10217185Jul 12, 2022Body and structure, Equipment. The purpose of this Service Alert is to remind dealers to keep the protective films on the piano black door garnishes attached until just before delivering the vehicle to the customer. The protective films are attached on new vehicles when shipped from the factory in order to avoid being scratched during transportation and while in dealer stock.
• 10215274Jun 22, 2022Electrical system. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
• 10215244Jun 10, 2022Electrical system, Equipment, Other or unknown. Some customers may complain about scratches on the instrument cluster lens.
• 10215015Jun 9, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10215238Jun 7, 2022Transmission and drivetrain. Service part Automatic Transaxles (ATX) manufactured on or after July, 2018 are shipped with a blank TCM that requires configuration.
• 10215358Jun 1, 2022Electrical system. Some vehicles may exhibit a warning message displayed in the center display a few seconds after the brake system warning light in the instrument cluster has flashed for a moment at the time of departure or stop of the vehicle. This is caused by improper control logic of the gateway unit (GWU).
• 10213185May 24, 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.
• 10213148May 20, 2022Electrical system. When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
• 10213147May 19, 2022Wheels. Some vehicles may exhibit a steering shimmy or body vibration during the PDI test drive or during the first few miles of driving after the vehicle has been delivered to the customer due to flat spots on the tires. Flat spots on tires may be caused by improper maintenance during dealer storage (e.g.: Vehicle was left stationary for a prolonged period of time in high ambient temperatures).
• 10213125May 12, 2022Electrical system, Other or unknown. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10213207May 9, 2022Electrical system. Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA03_11026 or later).
• 10213145May 6, 2022Wheels. Some customers may complain that the tire sidewalls are distorted or "damaged".
• 10213140May 6, 2022Other or unknown. Mazda Connected Services Frequently Asked Questions (FAQs)
• 10213139May 6, 2022Latches, locks and linkages, Exterior lighting, Equipment, Electrical system. Some customers may complain about any of the following: *Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. **Remote function(s) inoperative. **Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10213144May 5, 2022Other or unknown. Some vehicles may store DTC B1495:87 (LIN communication error) and cannot be cleared after accessory Trailer Hitch is installed. This may be caused by liftgate foot sensor deactivation procedure not completed during trailer hitch installation.
• 10213142May 2, 2022Electrical system, Equipment. Qi Wireless Charger Symptom Troubleshooting
• 10210887Apr 27, 2022Equipment, Electrical system. Apple CarPlay / Android Auto Frequently Asked Questions (FAQs)
• 10210933Apr 8, 2022Seats, Equipment. 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 specialist using the following repair procedure.
• 10210879Apr 6, 2022Electrical system. Mazda Connected Services Frequently Asked Questions (FAQ).
• 10210867Apr 6, 2022Engine cooling. The WSM shows 3 possible crankshaft sprocket and timing chain combinations (Type A, B and C), but some vehicles have been produced with a combination of Type A timing chain with 2 yellow-colored links with a Type B crankshaft sprocket.
• 10210902Apr 5, 2022Steering. Some customers may complain that the steering wheel is off center more than 3° even when driving straight on a flat road.
• 10210865Apr 4, 2022Electrical system. Some customers may complain about any of the following: Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. *Remote function(s) inoperative. *Engine Start / Stop **Door Lock / Unlock **Lights ON / OFF *MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Confirm the customer's phone and vehicle have good to strong reception…
• 10210847Apr 4, 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
• 10210844Apr 4, 2022Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10209761Mar 29, 2022Equipment. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
• 10209782Mar 24, 2022Equipment, Brakes. Some vehicles may exhibit a click or squeak noise from the front brakes under the following conditions: 2016-2022 CX-9 2018-2022 CX-5 (Click noise): 1. When first moving forward or reverse from a stop OR 2. When first applying the brakes while moving forward at slow speeds. Cause: Due to deteriorated grease between the brake pads and the shim, the front brake pads move upward/downward along with the brake rotors…
• 10209778Mar 17, 2022Equipment, Electrical 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.
• 10209752Mar 9, 2022Wheels, Equipment, Transmission and drivetrain. 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.
• 10209814Mar 3, 2022Equipment, Electrical system. Some customer may experience the wireless charger does not start charging or stops charging immediately although the mobile device is in the chargeable area. This is caused by the logic for detecting foreign matter being too sensitive.
• 10209784Mar 3, 2022Equipment, Electrical system. Some vehicles may exhibit an unusual noise in the front A/C unit when the recirculate switch is operated. This is caused by a damaged gear in the air intake actuator. Dust and sand adhered to the grease at the air intake link may disturb the movement of the air intake actuator, resulting in the damaged gear. To eliminate this concern, grease application to the air intake link mechanism to the link pin has been…
• 10209774Mar 1, 2022Fuel system. Some vehicles may exhibit a fuel odor at the left / rear area of the vehicle while the engine is idling that usually occurs when the fuel tank is warmed up in hot weather and/or after long distance driving. Depending on wind direction and/or parking environment, the odor may be more noticeable. The odor may be caused by evaporative gas from the gas outlet vent.
• 10208564Feb 28, 2022Transmission and drivetrain, Suspension. 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.
• 10208566Feb 25, 2022Electrical system, Equipment. Some vehicles equipped with SiriusXM Travel Link and a Navigation SD Card added by dealer/customer may experience a SiriusXM Travel Link error when selecting Parking Information.
• 10208556Feb 23, 2022Brakes, Engine cooling, Steering, Transmission and drivetrain. 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.
• 10208568Feb 18, 2022Transmission and drivetrain. 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…
• 10208567Feb 10, 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.
• 10208565Feb 9, 2022Electrical system, Equipment. Some customers may experience a SiriusXM Travel Link error when selecting Parking Information.
• 10208554Feb 4, 2022Other or unknown, Body and structure. Some customers may report concerns with interior upholstery surface stains particularly on high contact areas (e.g.: steering wheel, door panels, shifter...etc.). This may be caused by skin oils or chemicals such as hand lotions. Use a clean towel damped in leather/vinyl cleaner or mild soap to clean the steering wheel. NOTE: Upholstery maintenance and care information can also be found in the Owner's Manual.
• 10208562Feb 1, 2022Equipment, Electrical system. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
• 10206019Dec 22, 2021Equipment, Electrical system. MDARS vs IDS Service Information: The 2021 CX-5 and CX-9 will be the first 6.5 generation vehicles to be equipped with Connected Vehicle Services and some functions will be limited at launch. This service information provides a timeline of the system limitations.
• 10206018Dec 22, 2021Equipment, Electrical system. Connected Vehicle Symptom Troubleshooting: Some customers may complain about any of the following: - Infotainment Center Display does not provide the Authorization Code during the MyMazda App Connected Vehicle enrollment. - Remote function(s) inoperative. o Engine Start / Stop o Door Lock / Unlock o Lights ON / OFF MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
• 10205994Dec 21, 2021Electrical system. Battery Maintenance: This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.

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