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U0073 Diagnostic Trouble Code Discussion for April 2011

Control Module Communication Bus Off


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Trouble Ticket Help Requests for DTC U0073
Help Request Posted
2007 Chevrolet Silverado 2500 HD LT 6.0L Stall VIN: 1GCHK23K87
U0073: T.c.m. Bus a off. Hello when the truck was first here. It cranked ok the first 2-3 times. Than it would not crank at all. The compalint was and still the same when it came back. Going down the road highway speed stall out the cluster would wig out,trnas go into limp mode,and no...
April 02, 2011
2006 Chevrolet Impala SS 5.3L No Start, Guages/ door locks VIN: 2G1WD58CX6
U0073: Controller Area Network Bus Communication. ... long one! Original verified complaint was door locks locking & unlocking by themselves, and tranmission shifting rough while driving. I discovered that engine running in neutral, KOEO in neutral, or key in accesory position w/ trans in neutral, PRNDL i...
April 10, 2011
2006 Chevrolet Impala SS 5.3L No Start, Guages/ door locks VIN: 2G1WD58CX6
U0073: Controller Area Network Bus Communication. ... long one! Original verified complaint was door locks locking & unlocking by themselves, and tranmission shifting rough while driving. I discovered that engine running in neutral, KOEO in neutral, or key in accesory position w/ trans in neutral, PRNDL i...
April 12, 2011
2007 Chevrolet Silverado 2500 HD LT 6.0L Stall VIN: 1GCHK23K87
U0073: T.c.m. Bus a off. Hello when the truck was first here. It cranked ok the first 2-3 times. Than it would not crank at all. The compalint was and still the same when it came back. Going down the road highway speed stall out the cluster would wig out,trnas go into limp mode,and no...
April 02, 2011
2006 Chevrolet Impala SS 5.3L No Start, Guages/ door locks VIN: 2G1WD58CX6
U0073: Controller Area Network Bus Communication. ... long one! Original verified complaint was door locks locking & unlocking by themselves, and tranmission shifting rough while driving. I discovered that engine running in neutral, KOEO in neutral, or key in accesory position w/ trans in neutral, PRNDL i...
April 10, 2011
2006 Chevrolet Impala SS 5.3L No Start, Guages/ door locks VIN: 2G1WD58CX6
U0073: Controller Area Network Bus Communication. ... long one! Original verified complaint was door locks locking & unlocking by themselves, and tranmission shifting rough while driving. I discovered that engine running in neutral, KOEO in neutral, or key in accesory position w/ trans in neutral, PRNDL i...
April 12, 2011