P0254 is set when the FPRV control circuit is short to battery. The power stage monitors the control circuit shorted to battery when the power stage is operating.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
FPRV circuit monitoring | 1. FPRV control circuit short to battery 2. Faulty FPRV | |
Enable Conditions |
•
IG "ON"
•
Power stage is operating | ||
Threshold Value |
•
Short to battery in control circuit | ||
Diagnostic Time |
•
0.22 sec | ||
Fail Safe | Fuel Cut |
•
YES | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
