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U1064 Diagnostic Trouble Code Discussion for March 2008

Lost Communication With BCM or VCD Module

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Trouble Ticket Help Requests for DTC U1064
Help Request Posted
2002 Chevrolet Monte Carlo SS 3.8L No Start, MIL Lamp on, security light on VIN: 2G1WX15K32
U1064: Lost Communication With BCM or VCD Module. this one is a real hair puller. first the customer complained that after 20 minutes of driving the security light would come on, the radio will intermitently go into lock out and with the daytime running lights on they will start flashing on and off as if the ...
March 02, 2008
2003 Chevrolet Silverado 2500 HD 6.6L No Start, MIL Lamp on VIN: 1GCHK29163
U1064: Lost Communication With BCM or VCD Module. ... this truck and a pile of loss of communication codes, we have checked wiring and relays, but everthing looks ok ! but before we start changing box's, has anyone seen this problem before. the trouble code tree for p1621 leads...
March 11, 2008