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U1064 Diagnostic Trouble Code Discussion for January 2016

Lost Communication With BCM or VCD Module


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Trouble Ticket Help Requests for DTC U1064
Help Request Posted
2004 Cadillac CTS 3.6L No Start VIN: 1G6DM57734
U1064: loss of comm with dim. Thanks for taking the time to read this. car will not start and key will not come out of ignition. thought it was going to be easy fix but a new ECM did NOT fix this one. I can communicate with all modules on the vehicle, I have disconnected all modules and co...
January 19, 2016