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U0073 Diagnostic Trouble Code Discussion for May 2010

Control Module Communication Bus Off

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Trouble Ticket Help Requests for DTC U0073
Help Request Posted
2007 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AL55F27
... while driving down the road the odometer and speedometer bounce back and forth, along with all the warning lights coming on. The steering also becomes very hard. The car does not die. Then I pull over the car, turn if off and everything resets, but sometim...
May 26, 2010