P2455 is set when the measured Differential pressure is above 4721mV the upper limiting value - for more than 3 sec. This code is due to short beween power and signal circuit or faulty is DPS or open in ground circuit.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
DPF DPS signal monitoring | 1. DPF DPS ground circuit open 2. DPF DPS signal circuit short to battery 3. Faulty DPF DPS | |
Enable Conditions |
•
IG "ON" & Engine "ON" | ||
Threshold Value |
•
DPF DPS output is greater than maximum value. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
