JCB P0254: High Signal 'A' in Fuel Metering Pump Circuit

The system has detected a high signal 'A' in the fuel metering pump circuit. This may indicate an issue with the component identified by this code, which is related to the fuel metering pump, specifically the cam, rotor, or injector.

1. 1

   The component identified by this code

2. 2

   The signal 'A' wiring or connection

3. 3

   The fuel metering pump circuit

1. 1

   Inspect

   Inspect the component identified by this code for visible damage or wear.

2. 2

   Test

   Test the signal 'A' wiring and connections for continuity and proper voltage.

3. 3

   Check

   Check the fuel metering pump circuit for faults or irregularities.