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U0073 Diagnostic Trouble Code Discussion for May 2015

Control Module Communication Bus Off


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Trouble Ticket Help Requests for DTC U0073
Help Request Posted
2008 Ford F-350 Super Duty XL 6.4L No Start VIN: 1FTWW31R78
U0073: Control Module Communication Bus A Off. ... is happening is when the customer is driving the engine fan will start to roar at max RPM and the transmission starts to shift funny. If he was to turn the truck off the truck would not restart until the u0073 code was cleared, then it would be good for a ...
May 01, 2015
2004 Mazda 6 S 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall VIN: 1YVFP80D34
U0073: CAN Communication System Error. installed rebuilt engine in car upon customer request due to oil consumption. got running and was running well with new engine then went to turn heater on and all warning lights on instrument cluster light up. tried scanning with solus ultra and no communicati...
May 11, 2015
2004 Mazda 6 S 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall VIN: 1YVFP80D34
U0073: CAN Communication System Error. installed rebuilt engine in car upon customer request due to oil consumption. got running and was running well with new engine then went to turn heater on and all warning lights on instrument cluster light up. tried scanning with solus ultra and no communicati...
May 27, 2015