× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

U0140 Diagnostic Trouble Code Discussion for October 2009

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
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0140: loss communication with bcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 28, 2009
2005 Chevrolet Equinox LS 3.4L Stall, MIL Lamp on VIN: 2CNDL23FX5
U0140: loss communication with bcm. ... stored u2100,u1000,p1626,u0140, u0121. vehicle does stall, when tried to restart, 1st time engine will crank will not start 2nd time will not crank, 3rd time cranks and starts. does not do it all the time. check the communications line coul...
October 29, 2009