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U0140 Diagnostic Trouble Code Discussion for June 2009

Lost Communication With BCM

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Trouble Ticket Help Requests for DTC U0140
Help Request Posted
2006 Chevrolet Impala LT 3.5L No Start, Stall, MIL Lamp on VIN: 2G1WT58K86
U0140: Lost Communication With BCM. Vehicle has intermittent No Start, door locks cycle, dash gauges go to zero and ABS traction control light comes on. The last time this happened vehicle hit a big pot hole and vehicle stalled. The other problems were happening previous to the vehicle hitting t...
June 15, 2009