Oldy Posted April 14, 2008 Report Share Posted April 14, 2008 Both modules went out together. Any suggestions. PCM? etc. Thanks Link to comment Share on other sites More sharing options...
Cadillac Jim Posted April 15, 2008 Report Share Posted April 15, 2008 Please tell us more, like, what happened? Did someone connect jumper cables or a battery charger with the positive terminal on the battery ground terminal? Did it just happen suddenly one morning when you came out and started the car? What is the car doing? What tells you the BCM and ECM are malfunctioning -- what do you mean by "out?" -- 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...
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