Eddie Posted March 27, 2004 Report Share Posted March 27, 2004 My a/c system has been acting erratic lately. At first, nice cool air blowing through the vents, then after reaching temp it doesnt seem to return properly unless I screw with all of the buttons for a while. Air-flow will divert to dashboard and floorboad returns, or not at all at times. Also do not have warm air for heat. Any suggestions are appreciated. Link to comment Share on other sites More sharing options...
jetfxrf16 Posted March 27, 2004 Report Share Posted March 27, 2004 Are you getting any sort of codes? If you are getting an intermittent B337 code, it is for the HVAC (Heating Ventilation and Air Conditioning) system loss of communication with the BCM. You could have a short between the climate control programmer or the BCM. Jetfxrf16 Link to comment Share on other sites More sharing options...
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