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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 369 (Engine Controls And Fuel - 5.3L, 6.0L & 6.2L - DTC P0010 Through DTC P0442) >> Diagnostic Information and Procedures >> DTC P0230 (Without FPCM) >> Diagnostic Fault Information

Diagnostic Fault Information

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Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Battery Voltage - Relay Switch Side 1 2 - -
Fuel Pump Supply Voltage 1 2 3 -
Fuel Pump Relay Control P0230 P0230 P0230 -
Fuel Pump Relay Ground - P0230 - -
Fuel Pump Ground - 2 - -
  1. Open fuel pump fuse, engine cranks but does not run
  2. Engine cranks but does not run
  3. Fuel pump operates continuously, causing a discharged battery and a no crank condition
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