P2454 is set when the voltage below 850mV- mimimum output voltage of DPS - is detected for more than 3 sec. This code is due to open in power circuit or short to ground in signal circuit.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
DPF DPS signal monitoring | 1. DPF DPS power circuit open 2. DPF DPS signal circuit short to ground 3. Faulty DPF DPS | |
Enable Conditions |
•
IG "ON" & Engine "ON" | ||
Threshold Value |
•
DPF DPS output is less than minimum value. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
