DTC U0073/49: Control Module Communication Bus Off; DTC U0100/41: Lost Communication with EV ECU; DTC U0129/42: Lost Communication with Brake System Control Module [09/2013 - ]: Description

The power steering ECU assembly receives signals from the power management control ECU and skid control ECU via the CAN communication system. Power assist continues using the default vehicle speed signal value if DTC U0073/49 or U0129/42 is stored.

DTC No.	DTC Detection Condition	Trouble Area
U0073/49	Control module communication bus off	CAN communication system
U0100/41	Lost communication with power management control ECU	CAN communication system Power management control ECU
U0129/42	Lost communication with skid control ECU	CAN communication system Skid control ECU