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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0222 To P0420 >> P0403-EGR Control Circuit-Open >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
(K35) EGR CONTROL CIRCUIT SHORTED TO VOLTAGE
(K35) EGR CONTROL CIRCUIT SHORTED TO GROUND
(K35) EGR CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
(Z335) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
EGR VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .