DTC C1AA3: Vehicle Speed Sensor Circuit [10/2014 - 09/2017]: Description

The lane departure warning camera receives vehicle speed signals from the brake actuator assembly (skid control ECU). When the brake actuator assembly (skid control ECU) detects a malfunction in the vehicle wheel speed sensor, the lane departure warning camera is notified via CAN communication and DTC C1AA3 is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1AA3	Vehicle Speed Sensor Circuit	2 seconds elapse after turning the engine switch on (IG). The IG voltage is 10 V or higher. 2 seconds elapse after the IG voltage is 10 V or higher. While the lane departure alert system is operating, a vehicle wheel speed sensor malfunction signal is continuously received for 5 seconds or more from the brake actuator assembly (skid control ECU).	Vehicle stability control system Lane departure warning camera