If exhaust gas flow rate is normal but pressure difference calculated by DPS is below set-point(No pressure difference between front and rear CPF), ECM sets DTC P200200.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Faulty signal circuit of DPS 3. Faulty DPS 4. Faulty DPF 5. Leakage on exhaust system | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
If exhaust gas flow rate is increase or decrease and pressure difference from DPS is below or above set-point
•
Minimum pressure differential characteristics error | ||
Diagnostic Time |
•
2 sec. | ||
Fail Safe | MIL |
•
Blink | |
DPF Warning Lamp |
•
Blink | ||
DPF Regeneration OFF |
•
Yes |