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Home >> Dodge and Ram >> 2012 >> Journey SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (3.6L - DTCS P0481 To P06DD) >> Diagnosis And Testing >> P0627-Fuel Pump Relay Circuit >> Theory Of Operation

Theory Of Operation

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The Fuel Pump control is requested by the Powertrain Control Module (PCM) along the Fuel Pump control relay circuit. The PCM controls the fuel pump relay by grounding the control side of the relay.

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