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U1950 Diagnostic Trouble Code Discussion for January 2020

communication bus fault UART Base Protocol

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Trouble Ticket Help Requests for DTC U1950
Help Request Posted
2002 Ford F-250 Super Duty Lariat 5.4L no comm VIN: 1FTNX21L82
U1950: comm bus fault. hello all this truck keeps dinging and door ajar light on while driving all doors closed and latches have been lubed. also the radio wont turn off when car is off, untill the vehicle times out after 30 min. has no comm with the VSM/CSM. have checked all po...
January 06, 2020