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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 600 (3.0L Diesel - DTCS P0264-00 To P05EE-00 - 1500) >> Diagnosis And Testing >> P0406-00-EGR Position Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(K683) EGR POSITION SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K683) EGR POSITION SIGNAL CIRCUIT SHORTED TO THE (K834) EGR VALVE 5-VOLT SUPPLY CIRCUIT
(K934) SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
EGR VALVE
POWERTRAIN CONTROL MODULE (PCM)

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