DTC U0073: Control Module Communication Bus OFF [05/2019 - ]: Description

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The 4WD ECU assembly outputs a DTC when transmission of the signal from the 4WD ECU assembly is not completed.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0073	Control Module Communication Bus OFF	When the following continues for 5 seconds or more: Signals from the 4WD ECU assembly are not received. When the following occurs 10 times consecutively: A communication malfunction (bus off) occurs one or more times within 0.1 seconds.	CAN communication system 4WD ECU assembly