Some customers may hear a repeating click sound when using the HVAC system
Mazda technical service bulletin 07-003-20-3712 for 2019-2020 Mazda MAZDA3 and 2020 Mazda CX-30.
- Bulletin number
- 07-003-20-3712
- Component
- Electrical system: software
- Summary
- Some customers may hear a repeating click sound when using the HVAC system. The click sound may be caused by the air mix doors moving back and forth. This concern has been eliminated by a dash-electrical supply unit control software modification.
Owners of these vehicles have filed 19 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2019-2020 20192020
- Mazda CX-30 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used Mazda MAZDA3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history