DTC C1AA3: Vehicle Speed Sensor Circuit [12/2013 - 11/2016]: Description

The lane departure warning camera receives vehicle speed signals from the skid control ECU (brake actuator assembly) via CAN communication to control the lane departure alert system. When the lane departure warning camera receives a vehicle speed sensor malfunction signal, DTC C1AA3 is stored.

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