If abnormal trim factor message from PM sensor unit is received, ECM sets DTC U04A400.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
CCP-CAN message monitoring | 1. Poor connector connection 2. Faulty CCP-CAN communication line 3. Faulty PM sensor | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Abnormal CAN message is received | ||
Detecting Time |
•
- | ||
Fail Safe | MIL |
•
Off | |
