<https://caddyinfo.ipbhost.com/topic/58314-2009-cts-obd-code-p013a/#comment-257859>
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"Thank you Bruce,\n \n\n\n\tafter heeding your advice and looking at the excellent videoI was able to pinpoint problem to fan. Further research I found a step by step procedure on replacement. Using the resources I was able to replace fan (one very hard hidden bolt to remove/replace) and everything now normal. Was able to cancel dealer appointment.\n \n"
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