DTC U0126 Lost Communication with Steering Angle Sensor Module: Description

If 2 or more DTCs are output during the DTC check, one side of the CAN branch wire may be open (One side of the CANH [branch wire]/CANL [branch wire] of the ECU and/or sensor is open).

DTC DETECTION CONDITION CHART

DTC Code	DTC Detection Condition	Trouble Area
U0126	There is no communication from the steering angle sensor.	Power source circuit of steering angle sensor One side of CAN branch wire of other systems Steering angle sensor Steering angle sensor branch wire or connector