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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (5.7L - DTCS P058C To P1495 - 1500) >> Diagnosis And Testing >> P0629-Fuel Pump Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FPCM PUMP FEED CIRCUIT SHORTED TO VOLTAGE
FPCM GROUND CIRCUIT OPEN/HIGH RESISTANCE
FUEL PRESSURE CONTROL MODULE (FPCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .