If the 4WD ECU doesn't get some data from engine ECU, it sets U0100.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
CAN Signal Check | 1. Poor connection 2. Open or short in CAN communication line 3. Error in ECU |
Enable conditions |
•
IG KEY " ON" or Engine " ON " | |
Threshold value |
•
It can't get some data from engine ECU(EMS 1/2/5 CAN message) | |
Detecting time |
•
2 seconds | |
Fail Safe |
•
Prohibition for 4WD control |
