Error Code B0238 on Chevrolet Impala

@jeffwashington , Jeff, Are you experiencing any problems as far as heat/defrost blower vent direction if not, record code for future reference and erase.

If you are having a problem, one of the mode actuators could be sticking/faulty, the dealer would have to hook up their Advanced scanner to locate and diagnose precise fault, bad wire/plug, control module, faulty/sticking actuator.

DTC B0238 Air flow control #1 (defrost) circuit malfunction

DTC B0238 Mode Door Circuit Range the door air-mix actuator

Below are a few links to read through, sounds like these actuators fail often, last link tells of a reset procedure you may want to try. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

http://www.gmforum.com/2000-2005-90/hvac...

http://chevroletforum.com/forum/impala-1...

https://www.2carpros.com/questions/2006-...