walken1414 Posted October 21, 2007 Report Share Posted October 21, 2007 here is the other problem. my 98 deville says to service stability system. what does this mean? also the car sits high in the rear. doe sthe problem have anything to do with the speed limit of 90 mph. thansk for any help Link to comment Share on other sites More sharing options...
Cadillac Jim Posted October 21, 2007 Report Share Posted October 21, 2007 When the PZM sees a problem with the ride sensing sensors, the ABS, or the ride height sensors, you get that message because the electronic stabilization won't work until it's fixed. The ride height system is probably what is causing the rear to ride high. Get the codes and that will likely tell you what is wrong, which will give you a good idea of how to fix it. Here's how: http://www.caddyinfo.com/readingcodes.html -- Click Here for CaddyInfo page on "How To" Read Your OBD Codes-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data -- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC Yes, I was Jims_97_ETC before I changed cars. Link to comment Share on other sites More sharing options...
Ranger Posted October 22, 2007 Report Share Posted October 22, 2007 The rear end sitting high is probably due to a failed compressor exhaust valve. It will set a DTC. As previously advised, pull the codes. Link to comment Share on other sites More sharing options...
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