DTC Information: DTC Detecting Condition

Item		Detecting Condition	Possible Cause
DTC Strategy		CAN signal monitoring	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 HECU fault (CAN module fault) CAUTION: * Do not replace the FR_CMR due to a history fault.
Enable Condition		Engine "ON", signal received from EMS (more than 2s) Ignition "ON" (more than 2s) 12V battery voltage is between 9V and 16V Variant coding complete CAN communication line normal
Threshold Value		Invalid HECU CAN message is received
Detecting Time		0.5s
Symptom	Case 1	LKA, DAW, LFA, HDA disabled Warning lamp turns on
	Case 2	LKA, LFA, HDA disabled Warning lamp turns on
	Case 3	DAW disabled
Service Lamp OFF Condition		When receiving HECU CAN normal signal

NOTE: LKA: Lane Keeping Assist
LDW: Lane Departure Warning
HBA: High Beam Assist
FCA: Forward Collision-avoidance Assist
ISLW: Intelligent Speed Limit Warning
DAW: Driver Attention Warning
HDA: Highway Driving Assist
LFA: Lane Following Assist