LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2021 >> Cherokee Altitude, FWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P0602 To P1047 >> DTC Troubleshooting >> P0627-Fuel Pump Control Circuit/Open >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

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

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