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Home >> Chrysler >> 2006 >> 300 Base, 42RLE/VLP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - DTCS P0330 To P0480 >> Diagnosis And Testing >> P0401-EGR System Performance >> Possible Causes
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Possible Causes

Possible Causes 
(Z904) EGR SOLENOID GROUND CIRCUIT OPEN
(K35) EGR SOLENOID CONTROL CIRCUIT
EGR SOLENOID ASSEMBLY
PCM

Always perform the  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding. 

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