Mazda CX-9 2016–2017 — technical service bulletin
Bulletin 07-004-19-3631 · NHTSA communication 10165344 · issued Sep 10, 2019
Technical service bulletin
communication type
Equipment
component
2016–2017
model years
2
vehicle entries
Official summary
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 driverâ  s/passengerâ  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 overchargi
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.