Join Now
International Automotive Technicians Network

U0140 Diagnostic Trouble Code Discussion for April 2012

Lost Communication With BCM


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC U0140
Help Request Posted
2007 Chevrolet Silverado 3500 HD LT 6.0L No Start VIN: 1GBJK34K77
U0140: Loss of Communication with BCM. Customer drove to to U-Hall to get an electric trailer brake controller. They pulled down the 4 wires that were taped to the harness by the DLC connector, they now stripped the blunt ends and connected their trailer brake controller, No Crank, No high Beams,...
April 05, 2012
2007 Chevrolet Silverado 3500 HD LT 6.0L No Start VIN: 1GBJK34K77
U0140: Loss of Communication with BCM. Customer drove to to U-Hall to get an electric trailer brake controller. They pulled down the 4 wires that were taped to the harness by the DLC connector, they now stripped the blunt ends and connected their trailer brake controller, No Crank, No high Beams,...
April 06, 2012
2007 Chevrolet Silverado 3500 HD LT 6.0L No Start VIN: 1GBJK34K77
U0140: Loss of Communication with BCM. Customer drove to to U-Hall to get an electric trailer brake controller. They pulled down the 4 wires that were taped to the harness by the DLC connector, they now stripped the blunt ends and connected their trailer brake controller, No Crank, No high Beams,...
April 05, 2012
2007 Chevrolet Silverado 3500 HD LT 6.0L No Start VIN: 1GBJK34K77
U0140: Loss of Communication with BCM. Customer drove to to U-Hall to get an electric trailer brake controller. They pulled down the 4 wires that were taped to the harness by the DLC connector, they now stripped the blunt ends and connected their trailer brake controller, No Crank, No high Beams,...
April 06, 2012