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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> DTCS B234B To P0693 (TIPM) >> P0628-Fuel Pump Control Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
(K31) FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO GROUND
(K31) FUEL PUMP RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FUEL PUMP RELAY
ENGINE CONTROL MODULE (ECM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  

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