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  1. DTS Forum - 2006-2011
    Have a 2006 dts, cooling fans inop, cel on. I've pulled codes p0480/p0481- p0645 and p0689 all hard fails. I commanded my relays r1,r7 and r2 nothing's clicking so I checked power and grounds to them ,found power and ground. Haven't found the pin layouts to the pcm, suspecting it with the...
  2. XTS Forum- 2013-2019 Including XTS V-Sport
    Recently picked up a '16 XTS and shortly after taking ownership the check-engine light came on. Had a friend take a look and he said the error indicated an issue with the cooling fan relay. OK - that's what warranties are for so I headed to the Cadillac dealership to get it diagnosed. Three...
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