P0254

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE. Engine turns off.

P0254

Fault symptoms

•	CHECK ENGINE.

•	Engine turns off.

On-Board Diagnostics

Type of diagnosis:

-	Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:

-	Start of engine/engine running.

-	Fuel pressure valves active.

-	Battery voltage should be 10.2-15.8 V.

Fault criteria:

-	Diagnostics have detected that the electrical circuit to the fuel pressure valves is shorted to B+ for more than 0.31s.

Dependents:

-

None.

System reaction to a fault:

-	Engine turns off.

OK report:

-	Fault criteria not fulfilled.

Fault handling: (See section Fault handling III, other emissions-related components and functions for more information)

-

Type III.

Diagnostic help

Fault diagnosis concerns an electrical fault in the connecting leads or in the valve.

Functions in the diagnostic tool related to the fault:

-	Activate: Fuel Pressure Solenoid 1, Fuel Pressure Solenoid 2

See also the description of activations under "Activate" menu for more information.

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.