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Home >> Jeep >> 2021 >> Cherokee High Altitude, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P023A To P0449 >> DTC Troubleshooting >> P0405-EGR Position Sensor Circuit Low >> Possible Causes

Possible Causes

Possible Causes
EGR VALVE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
EGR VALVE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
EGR VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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