Heater wont switch from defrost

Asked by Mar 02, 2015 at 11:10 AM about the 2003 Chevrolet Silverado 1500 Ext Cab Short Bed 4WD

Question type: Maintenance & Repair

2003 chevy silverado heater only blows out of defrost. I turn the knob to other settings
and still only comes out of defrost. Could this be a actuator issue or the switch it self?

3 Answers

254,435

This might help, do you have any codes? http://www.sparkys-answers.com/2011/02/2003-chevrolet-silverado-changing-mode.html

2 of 2 people found this helpful.

nope no codes

I just replaced the heater/ac actuator and still having the same issue. maybe the panel? any other suggestions?

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