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Home >> Chrysler >> 2009 >> 300 LX >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0315 To P0461 >> P0403-EGR Control Circuit/Open >> Possible Causes
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Possible Causes

Possible Causes 
(K35) EGR CONTROL CIRCUIT SHORTED TO VOLTAGE
(K35) EGR CONTROL CIRCUIT SHORTED TO GROUND
(K35) EGR CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
(Z904) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
EXHAUST GAS RECIRCULATION VALVE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .