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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Engine Controls And Fuel - 5.3L, 6.0L & 6.2L - DTC P0443 Through DTC P3449 And Troubleshooting) >> Diagnostic Information and Procedures >> DTC P0641 or P06A6 (Fuel Pump Control Module) >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The fuel pump control module detects that the fuel pressure 5 V reference is above or below a predetermined voltage threshold.

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