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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (5.7L - DTCS P2317 To U148C - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> U0109-Lost Communication With Fuel Pump Control Module >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) does not receive a Pulse Width Modulated (PWM) signal from the Fuel Pump Control Module (FPCM). When this DTC is active, The FPCM will continue to run the Fuel Pump assembly at 100% duty cycle.

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