DTC Detection Logic

DTC (On board display)	Trouble diagnosis name	DTC detecting condition	Possible causes
C1A15 (15)	GEAR POSITION	If a mismatch occurs between a current gear position signal transmitted from TCM via CAN communication and the gear position calculated by ICC sensor integrated unit	Input speed sensor Vehicle speed sensor A/T (output speed sensor) TCM

NOTE:

If DTC "C1A15" is detected along with DTC "U1000", "C1A03" or "C1A04", first diagnose the DTC "U1000", "C1A03" or "C1A04".