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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 5.3L - DTC P1380 To DTC P2635) >> DTC P2534 >> Circuit/System Description

Circuit/System Description

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The fuel pump flow control module (FPCM) monitors the ignition voltage circuit in order to determine if the voltage is within the normal operating range.