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Service bulletins for the 2016 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.

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

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Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
SA-012-232023-04-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY. 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.
SA-074-222022-12-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; 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.
07-001/222022-04-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. 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 reduced.
07-005-17-A2021-02-01. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Poor air conditioning performance and operation.
07-005-172021-02-01. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Poor air conditioning performance and operation. Some customers may complain that 1) the air conditioner is not cold enough or that 2) the cabin is cold, but the fan speed stays on high and there is noise coming from the blower motor.
07-002-19-3616a2019-12-20. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY. 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. NOTE: See parts information for Mazda Air Cooling Coil Coating and Kit part numbers.
07-004-19-36312019-09-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. Some customers may complain that 1) the air conditioner is not cold enough or 2) the cabin is cold, but the fan speed stays on high and there is noise coming from the blower motor or 3) it is difficult to adjust the driver/passenger side ventilation grill so that the air flows directing to the driver’s/passenger’s face. The following may be the cause: 1) The A/C compressor ON/OFF control is not operating correctly, causing a problem with the air temperature control. 1) The air conditioner may not be cool enough due to inadequate amount of the refrigerant, due to leakage or overcharging. 2) The control of the amount of air blown is incorrect. 3) The adjustable range of the side ventilation grills is not appropriate.
07-002-19-36162019-08-01. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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.
09-016-19-35312019-03-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. Some customers may notice the rear A/C vent cover is loose / detached from the carpet, which may also be torn or damaged. This concern may be caused when excessive force is applied to the A/C vent cover clip, resulting in a loose or dislodged vent cover. To eliminate this concern, the clip position and configuration of the rear A/C vent cover have been changed to improve its durability.
07-002-18-34322018-05-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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/Cevaporator/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. NOTE: See parts information for Mazda Air Cooling Coil Coating and Kit part numbers. This treatment provides a durable coating that will aid to prevent biological reactions that lead to odorconcerns. It is applied to the evaporator in a misted form that is introduced by way of the cabin air filter, the re-circulate door, the blower motor resistor access, or the blower motor air intake. Proper application requires the evaporator surface to be: Relatively clean and free of leaves, dust build-up and debris. Thoroughly dried, and the product cured onto it after application. NOTE: Keep the cooling unit dry by leaving the blower fan ON (at least on low), even if the A/C is not being used. In low humidity (dry) conditions, keep the ventilation system in the "FRESH" mode all the time, or as much as possible. In high humidity conditions, or if the air has a lot of dust or pollen, keep the system in the "RECIRCULATION" mode. A few minutes before reaching a destination, turn the A/C OFF, but leave the blower fan ON. This stops the accumulation of condensation on the evaporator/cooling unit, and it helps dry the inside of the cooling unit. A/C odor is not unique to Mazda vehicles as it will occur in other makes and models. To minimize A/C odor, suggest the following to the customers.
07-005-17-3335b2017-10-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some customers may complain that 1) the air conditioner is not cold enough or 2) the cabin is cold, but the fan speed stays on high and there is noise coming from the blower motor or 3) it is difficult to adjust the driver/passenger side ventilation grill so that the air flows directing to the driver?s/passenger?s face.
07005173335A2017-09-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some customers may complain that 1) the air conditioner is not cold enough or that 2) the cabin is cold, but the fan speed stays on high and there is noise coming from the blower motor. The following may be the causes: 1)The A/C compressor ON/OFF control is not operating correctly, causing a problem with the air temperature control. 1)The air conditioner may not be cool enough due to inadequate amount of the refrigerant, due to leakage or overcharging. 2)The control of the amount of air blown is incorrect. To eliminate these concerns, the front and rear climate control unit software has been modified to optimize the amount of air blown and the A/C compressor ON/OFF controls.
070051733352017-09-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some customers may complain that 1) the air conditioner is not cold enough or that 2) the cabin is cold, but the fan speed stays on high and there is noise coming from the blower motor. The following may be the causes: 1)The A/C compressor ON/OFF control is not operating correctly, causing a problem with the air temperature control. 1)The air conditioner may not be cool enough due to inadequate amount of the refrigerant, due to leakage or overcharging. 2)The control of the amount of air blown is incorrect. To eliminate these concerns, the front and rear climate control unit software has been modified to optimize the amount of air blown and the A/C compressor ON/OFF controls.
MTI_10342017-02-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. THIS ARTICLE PROVIDES HVAC HEATER/DEFROSTER OPERATING TIPS USING MODE SELECTOR DIAL. THIS INCLUDES THE USE OF INTERMEDIATE POSITIONS.
MTI_10342017-02-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE. THIS ARTICLE PROVIDES HVAC HEATER/DEFROSTER OPERATING TIPS USING MODE SELECTOR DIAL. THIS INCLUDES THE USE OF INTERMEDIATE POSITIONS.

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