DTC C1B13: Motor Rotation Angle Not Detected [12/2017 - 10/2023]: Description

When the DRS ECU (rear steering control ECU) detects a problem with the motor rotation angle sensor circuit, DTC C1B13 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Return-to-normal Condition
C1B13	Motor Rotation Angle Not Detected	All conditions are met: The engine switch is on (IG). The power source voltage is 9 V or higher. A problem with the motor rotation angle sensor is detected for approximately 0.2 seconds or more.	Rear steering link assembly DRS ECU (rear steering control ECU)	Comes on	Engine switch on (IG) again