If P-CAN Bus off is detected, ECM sets DTC U007400. This fault might be caused by short in P-CAN communication circuit.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
CAN message monitoring | 1. Poor connector connection 2. Short in P-CAN high line 3. Short in P-CAN low line 4. Short circuit between CAN high and low line 5. Defected modules that connected to P-CAN 6. Defected PM sensor | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
P-CAN Bus off is detected | ||
Detecting Time |
•
2 sec | ||
Fail Safe | Engine OFF |
•
No | |
EGR OFF |
•
No | ||
Torque Limit |
•
No | ||
MIL |
•
Off | ||
