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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (1.6L Engine - DTCS P0303 To P0629) >> Diagnosis And Testing >> P0629-Fuel Pump Relay Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(K31) FUEL PUMP CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
(K31) FUEL PUMP CONTROL CIRCUIT OPEN
TIPM
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE)  . 

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