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Home >> Cadillac >> 2013 >> Escalade Hybrid, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - DTC P0010 To DTC P0430) >> Diagnostic Information and Procedures >> DTC P0230 (FPCM) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

With the ignition ON, engine OFF, command the fuel pump ON and OFF several times using the scan tool output control function. You should either hear or feel the fuel pump with each command.

  1. Ignition ON, command the fuel pump ON and OFF with a scan tool while observing the following control circuit status parameters:
    • Fuel Pump Relay Ckt. Short Gnd. Test Status
    • Fuel Pump Relay Ckt. Open Test Status
    • Fuel Pump Relay Ckt. Short Volts Test Status

      Each parameter should toggle between OK and Not Run or Not Run and OK.

  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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