DTC C1231/31: Steering Angle Sensor Circuit Malfunction [03/2017 - 09/2018]: Description

The skid control ECU assembly receives steering sensor signals via CAN communication. When a communication malfunction between the skid control ECU and steering sensor occurs, DTC U0126/63 (Lost Communication with Steering Sensor Module) is stored.

DTC No.	Detection Item	INF Code	DTC Detection Condition	Trouble Area	Note
C1231/31	Steering Angle Sensor Circuit Malfunction	341 342 344	INF Code: 341 While steering sensor communication is enabled, a malfunction signal output is received during the sensor self-check (stuck malfunction). INF Code: 342 When sensor malfunction excluding steering sensor +B malfunction occurs. INF Code: 344 While steering sensor communication is enabled, a malfunction signal output is received during the sensor self-check (internal malfunction). When steering sensor malfunction +B occurs.	INF Code: 341 Steering sensor power supply Steering sensor w/ Variable Gear Ratio Steering System VGRS ECU (front steering control ECU) INF Code: 342, 344 Steering sensor	VSC DTC

DTC No.	Brake warning light / yellow (minor malfunction) code	ABS warning light code	Slip indicator light code	Brake hold standby indicator light code
C1231	-	-	31	-