DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	CAN communication check	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 faulty Transmitting controller bus off Transmitting controller disconnected Transmitting controller power, fuse or ground faulty Transmitting controller H/W, S/W faulty CAN line noise IBU faulty
Enable Conditions	Ignition "ON" Normal 12V battery voltage (10 to 16V)
Threshold Value	When a CAN message comes from IBU is not received
Diagnostic Time	2s
MIL ON Condition	2 driving cycles