Conditions for Running the DTC
WARNING: This page is about a different variant/trim than selected.
P0451
- This DTC runs during the engine-off natural vacuum small leak test, P0442.
- The number of times this test runs can range from 0-2 per engine-off period.
- The length of the test can be up to 10 min for a calibrated number of samples.
P0452 and P0453
DTC P0452 and P0453 run continuously when the ignition is ON.
P0454
- This DTC runs during the engine-off natural vacuum small leak test, P0442.
- This test can run once per engine-off period.
- The length of the test can be up to 10 min for a calibrated number of samples.
- A refueling event is not detected. A refueling event is confirmed if the fuel level has a persistent change of 10% for 30 s during a 10 min refueling rationality test.