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Home >> Jeep >> 2023 >> Gladiator Freedom, Part Time T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L (GPEC 2A) - DTCS P0430 To P04FC >> DTC Troubleshooting >> P0490-EGR Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
EGR VALVE CONTROL 2 CIRCUIT SHORTED TO GROUND
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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