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U0140 Diagnostic Trouble Code Discussion for January 2016

Lost Communication With BCM


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Trouble Ticket Help Requests for DTC U0140
Help Request Posted
2011 Chevrolet Express 3500 LS 6.0L No Start, Stall, MIL Lamp on VIN: 1GAZGZFG7B
U0140: Lost communication with bcm erraticEBCM. Hello everyone. Really need your experties guidance on this vehicle please. Customer drove in from the local chevy dealer and after spend 6 days there and still having a same problem as before. Cutomer states it will not crank and have to seat for 30 minutes ...
January 16, 2016