What is your question?
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What is your question?
Blows cooler air on low settings
What makes this problem better or worse?
High fan
How long has your 2009 Chrysler 300 had this problem?
Unknown
1 Reply
Hello, I would focus on the temperature blend doors and mode doors and heater plenum for proper door and motor operation. Also check to ensure proper engine coolant temperature - not sure why it would be hotter on high than on low; usually the other way around when a problem occurs!