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Home >> Buick >> 2012 >> Enclave AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls/Fuel - 3.6L - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2635 (Fuel Pump Control Module) >> Circuit/System Verification

Circuit/System Verification

Ignition ON, command the fuel pump ON and OFF using the scan tool fuel pump control module output control. The fuel pump should turn on and off.