Some customers may experience that after starting the engine, the auto A/C blows warm air for about 10...
Mazda technical service bulletin 07-006-19-3629b for 2019 Mazda MAZDA3.
- Bulletin number
- 07-006-19-3629b
- Component
- Equipment: appliance: air conditioner
- Summary
- Some customers may experience that after starting the engine, the auto A/C blows warm air for about 10 minutes and then blows cool air as desired. This concern occurs when the ambient temperature is within a certain range (approx. 16-25 C / 61-77 F). This is caused by the control software of the Dash-Electrical Supply Unit (Dash-ESU) not being appropriate for this specific situation. To correct this concern, the control software of the Dash-ESU has been modified.
Vehicles covered
- Mazda MAZDA3 2019 2019
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