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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (2.0L - DTCS P1E27 To P2072) >> DTC Troubleshooting >> P1E27 EGR 1 High Side Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
EGR VALVE MOTOR (+) CIRCUIT SHORTED TO GROUND
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:  2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .