P0256-13: Injection Pump Fuel Metering Control B - Circuit open: Action
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check fuel pump circuit for open circuit
- Using the manufacturer approved diagnostic system clear all stored DTCs using the `Diagnosis Menu' tab and retest
- Check and install a new fuel pump as required