BodybyFisher Posted June 4, 2017 Author Report Share Posted June 4, 2017 I am sorry I missed all of this I have been distracted with a lot of stuff. I am happy that she is running well and the ISC is working! @OldCadTech knows his stuff. This is a great thread on the ISC, its slowly becoming a thesis paper! Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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