would this cause my truck to not start unless plugged in?
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2003 Dodge Ram 2500 Question: error code P0480 cooling fan 1 control circuit/open (low speed fan relay)
Answer #1mastertech6371 September 27, 2011, 20:32Master
they use 2 air heaters that they use for cold starts. one or both may be malfunctioning. you need a shop with a scan tool to test them and see if they have failed.
Answer #2chinasinoy September 29, 2011, 03:31Journeyman
this obd2 trouble code table can help you understand the meaning of code.