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U1064 Diagnostic Trouble Code Discussion for June 2004

Lost Communication With BCM or VCD Module

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Trouble Ticket Help Requests for DTC U1064
Help Request Posted
2003 Chevrolet Trailblazer LTZ 4.2L MIL Lamp on VIN: 1GNDS13S13
U1064: PCM loss of communication with BCM. ... you are driving down the road. Some times it will come on after driving 5 to 10 miles or when you when you first take off. The check engine light does not come on but i checked it with TECHII and i get code U1064 pcm loss communication with bcm. It does no...
June 08, 2004