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Service bulletins for the 2021 Mazda CX-9

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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
SA-009-23d2023-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING. 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 ON / OFF, 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
SA-005-23a2023-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
16-003-232023-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Some customers may complain that Mazda Connect does not start (blank screen) or that it takes a long time to restart/ reboot 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 (DRAM) of the CMU has been improved.
09-023-232023-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may experience the following symptoms of the wireless charger (Qi), even when the mobile device (smartphone etc.) is placed in the proper position on the wireless charger (Qi). It does not start charging. Soon after starting, it stops charging with the indicator flashing in red. Soon after starting, it stops charging without any visible sign. These symptoms may be caused by improper control software of the wireless charger (Qi). To eliminate these concerns, the specification of the wireless charger (Qi) has been modified.
SA-015-23b2023-05-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Mazda Connected Services - Frequently Asked Questions (FQA)
SA-009-23c2023-05-04. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING. 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 ON / OFF. 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
SA-015-232023-04-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Mazda Connect Services - Frequently Asked Questions (FAQ)
SA-016-232023-04-04. Service bulletin. EQUIPMENT:ELECTRICAL. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method. B. Auxiliary Key Code Cut Method
16-003-232023-04-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may complain that Mazda Connect does not start (blank screen) or that it takes a long time to restart/ reboot 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 (DRAM) of the CMU has been improved.
SA-009-23a2023-04-04. Service bulletin. ENGINE AND ENGINE COOLING; LATCHES/LOCKS/LINKAGES; EXTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:INFOTAINMENT. 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 ON / OFF
SA-009-232023-03-03. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; 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 " ".
SA-045-22a2023-01-05. Service bulletin. EQUIPMENT; VISIBILITY:GLASS, SIDE/REAR. 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.
SA-016-22a2023-01-05. Service bulletin. EQUIPMENT. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
07-003-22a2022-11-04. Service bulletin. EQUIPMENT. Some customers may complain about poor A/C performance due to low refrigerant. This may be caused by one of two things. Cause 1: [For 2016-2022 CX-9 with VINS lower than JM3TC******617612 (produced before April 7, 2022)] The condenser is corroded causing leakage of the A/C refrigerant. To eliminate this concern, the anti-corrosion performance of the condenser tube has been improved. Cause 2: [For all 2016-2022 CX-9] The low-temperature side outlet pipe leading to the evaporator of the air conditioner condenser has deteriorated 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 condenser was designed as needed.
SA-019-22b2022-11-04. Service bulletin. EQUIPMENT. Mazda Connected Services Frequently Asked Questions (FAQs)
07-003-222022-09-06. Service bulletin. EQUIPMENT. 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 condenser was designed as needed.
SA-045-222022-08-04. Service bulletin. STRUCTURE:BODY:DOOR:HANDLE:EXTERIOR; 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.
SA-039-222022-07-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; UNKNOWN OR OTHER. Some customers may complain about scratches on the instrument cluster lens.
SA-028-222022-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE; ELECTRICAL SYSTEM. Qi Wireless Charger Symptom Troubleshooting
SA-017-22a2022-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EXTERIOR LIGHTING:HEADLIGHTS; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; 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 during the concern as shown in the table below. **If the reception is weak, move the vehicle to a location where the reception is good to strong as shown in the table, then try to get the Authorization Code and/or operate the remote functions before proceeding to the Repair Procedure if there is still an issue. **If the reception is good to strong, proceed to the Repair Procedure.
09-012-222022-05-05. Service bulletin. EQUIPMENT; SEATS. 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.
SA-026-222022-05-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Apple CarPlay / Android Auto Frequently Asked Questions (FAQs)
SA-016-222022-05-05. Service bulletin. EQUIPMENT. There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
SA-014-222022-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Accessory instructions can be found on OneMazda under Dealer Resources - Parts & Accessories.
SA-006-22a2022-04-06. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN; WHEELS. 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.

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