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Home >> Jeep >> 2017 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0344 To P0573 >> DTC Troubleshooting >> P0490-EGR Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
EGR CONTROL 2 CIRCUIT SHORTED TO GROUND
EGR CONTROL 2 CIRCUIT SHORTED TO THE EGR CONTROL 1 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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