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U0140 Diagnostic Trouble Code Discussion for September 2017

Lost Communication With BCM


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Trouble Ticket Help Requests for DTC U0140
Help Request Posted
2006 Buick Lucerne CX 3.8L No Start VIN: 1G4HP57216
U0140: Lost Communication With BCM. ... anyway).Vehicle was dropped off for an antifreeze leak. Customer noticed it when he replaced ign module and 3 coil packs.He dropped it off about 4-5 days before his appointment.. Went to start vehicle and it would crank but not fire up. This was after sitt...
September 01, 2017