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Home >> Chrysler >> 2007 >> PT Cruiser Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P050D To P0688 >> P0551-Power Steering Pressure Switch Performance >> Possible Causes

Possible Causes

Possible Causes 
(K66) P/S SWITCH SIGNAL CIRCUIT OPEN
(K66) P/S SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
(Z902) GROUND CIRCUIT OPEN
POWER STEERING PRESSURE SWITCH
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to DTCS P150D TO UO168, PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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