ronalddts Posted October 5, 2006 Report Share Posted October 5, 2006 2000 DTS is showing codes IRC U1016,IPC U1016 and MSM B1860 Link to comment Share on other sites More sharing options...
Cadillac Jim Posted October 5, 2006 Report Share Posted October 5, 2006 # U1016 - Loss of Communications with PCM # B1860 - Driver Lumbar Vert Sensor Circuit Malfunction The first one is a zinger. It means that the connection between the Powertrain Control Module and the instrument panel has problems. Are these codes current or "History?" -- 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...
ronalddts Posted October 6, 2006 Author Report Share Posted October 6, 2006 # U1016 - Loss of Communications with PCM # B1860 - Driver Lumbar Vert Sensor Circuit Malfunction The first one is a zinger. It means that the connection between the Powertrain Control Module and the instrument panel has problems. Are these codes current or "History?" All three codes are history. Would this have anything to do with a pecking sound from the motor after it sets for about a day ? Link to comment Share on other sites More sharing options...
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