DTC U0001: High Speed CAN Communication Bus [06/2015 - 11/2018]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0001	High Speed CAN Communication Bus	The diagnosis recorder ECU is unable to receive data from all of the following ECUs for 3.1 seconds or more continuously. FC converter assembly Hydrogen fuel control ECU assembly FC control ECU EV control ECU	Diagnosis recorder ECU branch line or connector Power source circuit of diagnosis recorder ECU Diagnosis recorder ECU ground circuit Diagnosis recorder ECU