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  1. 2006 DTS Issue with A/C and Radiator Fan

    Cadillac DTS Forum 2006 through 2011
    Hey, all: So last week my A/C stopped blowing and I got the service engine icon on my dash. On Friday while idling at a drive-thru I got dinging and my engine was overheating. My coolant was low so I added more coolant the next day. I checked the codes and I got the following:P0412, P0418...
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