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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> DTCS B234B To P0693 (TIPM) >> P0629-Fuel Pump Control Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(K31) FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
(K31) FUEL PUMP RELAY CONTROL CIRCUIT SHORTED TO THE (F343) FUSED ASD RELAY OUTPUT 2 CIRCUIT
(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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