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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 46 (2.0L - DTCS P052B To P0629) >> DTC Troubleshooting >> P0627 Fuel Pump Control Circuit/Open >> Possible Causes

Possible Causes

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Possible Causes
FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO GROUND
FUEL PUMP RELAY CONTROL CIRCUIT OPEN
POWER DISTRIBUTION CENTER
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .