Join Now
International Automotive Technicians Network

U0140 Diagnostic Trouble Code Discussion for September 2013

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
2006 Pontiac Torrent 3.4L No Start VIN: 2CKDL73F36
U0140: Lost Communication With BCM. Calling all GM techs with programming experience- We replaced EGR valve and tube with updated ones per TSB. Then I went to reprogram the PCM per the TSB. The vehicle was not entered in the database, so I needed to call ACDelco help desk, and eventually they go...
September 06, 2013
2006 Pontiac Torrent 3.4L No Start VIN: 2CKDL73F36
U0140: Lost Communication With BCM. Calling all GM techs with programming experience- We replaced EGR valve and tube with updated ones per TSB. Then I went to reprogram the PCM per the TSB. The vehicle was not entered in the database, so I needed to call ACDelco help desk, and eventually they go...
September 06, 2013