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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0440 To P04FC >> DTC Troubleshooting >> P0490-EGR Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
EGR CONTROL 2 CIRCUIT SHORTED TO GROUND
EXHAUS GAS RECIRCULATION (EGR) VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

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

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