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U0073 Diagnostic Trouble Code Discussion for October 2013

Control Module Communication Bus Off

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Trouble Ticket Help Requests for DTC U0073
Help Request Posted
2010 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AF5F56A
U0073: Control Module Communication BUS off. ... down the road the odometer and speedometer bounce back and forth, along with all the warning lights coming on, and radio come on and off. Mil is on when in come into the shop, but now is off. It have a History code of U0073 and...
October 03, 2013