Mazda TSB #07-005-20-3745

2019 Mazda MAZDA3

TSB Document:

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary
Some customers may complain that the A/C blows warm air while idling after restarting a warm engine. This is caused by improper control software of the PCM not allowing the active air shutter to open properly, resulting in lower cooling performance at idle. To eliminate this concern, the control software of the PCM has been modified.

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Date Published
OCT 12, 2020
NHTSA TSB #
10182098
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