DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Monitoring CAN messages	Poor connection CAN communication circuit (open, short) CAN high line open CAN low line open CAN high and low line open CAN high line short to 12V battery CAN low line short to 12V battery CAN high, low line short to each other CAN high, low line short to each other and short to ground Terminating resistance fault Transmitting controller bus off Transmitting controller disconnected Transmitting controller power, fuse or ground fault Transmitting controller H/W, S/W fault CAN line noise Faulty ICU
Enable Condition	Engine "ON" (engine "ON" signal received more than 2s) CAN communication line in normal condition 12V battery voltage is between 9V and 16V
Threshold Value	When it received abnormal invalid signal message from ICU
Diagnosis Time	0.5s
Symptom	FCA disengagement and shutdown FCA warning lamp turns on