Trouble code in BCM may prevent hot air from climate control system on Chrysler 300M

A trouble code stored in the body control module (BCM) can prevent warm or hot air output from the climate control system. When the cause of the trouble code is fixed, heater function should return.
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Average mileage: 159,317 (159,317–159,317)
2 model years affected: 1999, 2000
2 people reported this problem
1 person shared problem details
2000 Chrysler 300M159,317
Heater is only being cold air no matter what temp setting it is on ran a diagnostic test and for code 23.
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ran internal diagnostic on heat.code came back 23.problem is no heat.what is code 23?thanks

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