LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 72 (2.0L - DTCS P0420 To P0490) >> DTC Troubleshooting >> P0490-EGR Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
EGR VALVE MOTOR (-) CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
EGR VALVE MOTOR (-) CIRCUIT SHORTED TO THE EGR VALVE MOTOR (+) CIRCUIT
EGR VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE

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