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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0457 To P0563 >> P0551-Power Steering Pressure Switch Performance >> Possible Causes

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K66) P/S SIGNAL CIRCUIT SHORTED TO GROUND
(K66) P/S SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(Z988) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
POWER STEERING SWITCH
POWERTRAIN CONTROL MODULE (PCM)

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

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