EASY_CADILLACIN Posted November 13, 2014 Report Share Posted November 13, 2014 Hope some one can help so im not chasing my tail. i have had a few codes that were coming up on a regular basis and now on all the time. abs c1248 and c1214. i beleive these are the start of my problems. was told by local caddy shop these are related to the traction control and ebs module. now winter just hit and dtc irc u1016 is coming up. my car will now get up to operating temp then all of a sudden heater will start blowing cold air. i can get hot air to come out of vents again by pressing the throttle and holding rpm's at 1200 or higher. im leaning towards a bad thermastat or maybe a vaccuum line that is leaking. not quite sure where to start. any suggestions would be greatly appreciated. trying to solve myself as we all know what shops cost to get this type of work done. THANKS Quote Link to comment Share on other sites More sharing options...
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