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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 1.6L Engine - DTCS P0303 To P0629 >> Diagnosis And Testing >> P0629-Fuel Pump Relay Control Circuit High >> Possible Causes

Possible Causes

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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