SWITCH GP 3425485 - Caterpillar

This diagnostic code indicates that the Electronic Control Module (ECM) has detected an open circuit or low current condition in the solenoid for the fuel rail pump.System Response:A warning will appear on the display on the control panel and the ECM will log the diagnostic code.Possible Performance Effect:An electrical fault may prevent the provision of pressure to the fuel rail. This may result in the loss of fuel injection. If the solenoid for the fuel rail pump fails, it is likely that fuel will not be pumped into the fuel rail. The engine will stop or the engine will not start.Test Step 1. Perform the following diagnostic procedure: "Fuel Rail Pump Solenoid - Test"Results:
OK - STOP