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Heat/cool system vent control

(2000 Chrysler 300M)
in Spartanburg, SC on November 12, 2009
I have no heat.seems that the duct does not switch over from cool to heat.Is there something besides thermostat and heatercore that I can change to solve this problem?
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Popular Answer
on November 13, 2009
Most new cars use electric actuators to move the temperature and mode doors in the A/C - heater units. Your problem may be related to a malfunctioning temperature door actuator. The A/C control module of your 2000 Chrysler 300M may store fault codes related to the A/C system. retrieving these stored codes using a scan tool may help diagnose the issue you are having with your A/C system.
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