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U1064 Diagnostic Trouble Code Discussion for March 2022

Lost Communication With BCM or VCD Module


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Trouble Ticket Help Requests for DTC U1064
Help Request Posted
2003 GMC Sierra 3500 6.0L MIL Lamp on
U1064: Lost Communication With BCM or VCD Module. loss of comms until you step on brake pedal than able to get codes
March 16, 2022