DTC Detection Logic

DTC (On board display)	Trouble diagnosis name	DTC detecting condition	Possible causes
C1A03 (3)	VHCL SPEED SE CIRC	If the vehicle speed signal (wheel speed) from ABS actuator and electric unit (control unit) and the A/T vehicle speed sensor signal (output shaft revolution signal) from TCM, received by the ICC sensor integrated unit via CAN communication, are inconsistent	Wheel speed sensor ABS actuator and electric unit (control unit) Vehicle speed sensor A/T (output speed sensor) TCM ICC sensor integrated unit

NOTE: If DTC "C1A03" is detected along with DTC "U1000" or "C1A04", first diagnose the DTC "U1000" or "C1A04".