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U0073 Diagnostic Trouble Code Discussion for March 2011

Control Module Communication Bus Off


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Trouble Ticket Help Requests for DTC U0073
Help Request Posted
2007 GMC Yukon SLE 5.3L No Start, Trac control VIN: 1GKFC13J07
U0073: Control module comm bus off. after test driving multiple times with no returning of trac failure lamp. went to start vehicle and car would not crank--also found no insturment panel operation and unable to communicate with BCM with a scan tool. Tech removed BCm for inspection and look at w...
March 02, 2011
2007 GMC Yukon SLE 5.3L No Start, Trac control VIN: 1GKFC13J07
U0073: Control module comm bus off. after test driving multiple times with no returning of trac failure lamp. went to start vehicle and car would not crank--also found no insturment panel operation and unable to communicate with BCM with a scan tool. Tech removed BCm for inspection and look at w...
March 02, 2011