JCB P0628: Global Fuel Pump Malfunction - Short to Ground

The system has detected a global fuel pump malfunction, specifically a short to ground in the fuel pump circuit. This fault indicates an electrical issue affecting the fuel pump's operation.

1. 1

   The wiring and connections related to the fuel pump

2. 2

   The fuel pump itself for signs of damage or electrical fault

3. 3

   The circuit for any signs of shorting or grounding

1. 1

   Inspect

   Inspect the wiring and connections of the fuel pump for damage, wear, or improper grounding.

2. 2

   Test

   Test the fuel pump circuit for continuity and resistance using a multimeter, following the service manual procedures.

3. 3

   Replace

   If a fault is confirmed, replace the affected component or repair the circuit as necessary.