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U0140 Diagnostic Trouble Code Discussion for January 2010

Lost Communication With BCM


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Trouble Ticket Help Requests for DTC U0140
Help Request Posted
2006 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK15F56
U0140: Lost Communication with BCM. The vehicle has been back twice since the body repairs were finished, with check engine light on and power steering assist not working. The vehicle computer will intermittantly not communicate with the scanner, and when I do get communication, the codes mentio...
January 04, 2010
2005 Chrysler Town & Country (Van) Touring 3.8L MIL Lamp on, No Communication VIN: 2C8GP54L05
U0140: Lost communication with BCM. Recieved vehicle for a routine electrical diagnoses. Symptoms includes: MIL is on, no tachometer, no speedometer, no heater functions, no radio, no power windows, no high beam lights. Replaced FCM as instructed by the diagnostic flow chart with no luck in fixi...
January 08, 2010
2006 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK15F56
U0140: Lost Communication with BCM. The vehicle has been back twice since the body repairs were finished, with check engine light on and power steering assist not working. The vehicle computer will intermittantly not communicate with the scanner, and when I do get communication, the codes mentio...
January 04, 2010
2005 Chrysler Town & Country (Van) Touring 3.8L MIL Lamp on, No Communication VIN: 2C8GP54L05
U0140: Lost communication with BCM. Recieved vehicle for a routine electrical diagnoses. Symptoms includes: MIL is on, no tachometer, no speedometer, no heater functions, no radio, no power windows, no high beam lights. Replaced FCM as instructed by the diagnostic flow chart with no luck in fixi...
January 08, 2010