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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 82 (2.0L - DTCS P1E28 To P2097) >> DTC Troubleshooting >> P1E28-EGR 1 High Side Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
EGR VALVE MOTOR (+) 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  .