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Home >> Jeep >> 2020 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0440 To P04CE >> DTC Troubleshooting >> P0489-EGR Control Circuit Low >> 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  .