DTC Detection Logic

DTC No.		CONSULT screen terms (Trouble diagnosis content)		DTC detection condition
U2156	87	CAN COMM err (steering angle sensor) [Controller area network communication error (steering angle sensor)]	-	1	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
					Signal (terminal)	CAN communication signal
					Threshold	When CAN communication signal is not continuously transmitted to chassis control module (with built in steering angle sensor).
					Diagnosis delay time	2 seconds or more
				2	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
					Signal (terminal)	CAN communication signal
					Threshold	When CAN communication signal is not continuously received from chassis control module (with built in steering angle sensor).
					Diagnosis delay time	2 seconds or more
				3	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
					Signal (terminal)	CAN communication signal
					Threshold	When CAN communication signal is not continuously transmitted to steering angle sensor.
					Diagnosis delay time	2 seconds or more
				4	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
					Signal (terminal)	CAN communication signal
					Threshold	When CAN communication signal is not continuously received from steering angle sensor.
					Diagnosis delay time	2 seconds or more