DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U1104: Lost Communication with Driving Support ECU: Description

DTC No.	DTC Detection Condition	Trouble Area
U0122	While power switch is on (IG), communication stop from brake booster with master cylinder (skid control ECU) to driving support ECU continues for 1 second or more	Brake booster with master cylinder (skid control ECU) CAN communication system Driving support ECU
U0123	While power switch is on (IG), communication stop from yaw rate sensor to driving support ECU continues for 1 second or more	Yaw rate sensor CAN communication system Driving support ECU
U0131	While power switch is on (IG), communication stop from power steering control ECU to driving support ECU continues for 1 second or more	Power steering control ECU CAN communication system Driving support ECU
U1104	While power switch is on (IG), communication stop from driving support ECU to skid control ECU assembly, lane recognition camera sensor assembly or power steering control ECU continues for 1 second or more	Driving support ECU CAN communication system Brake booster with master cylinder (skid control ECU) Lane recognition camera sensor assembly Power steering control ECU