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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (2.0L - DTCS P04C2 To P0523) >> DTC Troubleshooting >> P04D2 Cooled EGR Temperature Sensor Circuit Intermittent / Erratic >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
HIGH RESISTANCE IN THE EGR TEMPERATURE SENSOR TEMP SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
ENGINE RUNNING TOO RICH
ENGINE TEMPERATURE TOO LOW
EGR TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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