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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 63 (5.7L - DTCS P025D To P0339) >> DTC Troubleshooting >> P0298 Engine Oil Temperature Too High >> Possible Causes

Possible Causes

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Possible Causes
ENGINE OIL
COOLING SYSTEM NOT OPERATING TO SPECIFICATION
HIGH RESISTANCE IN THE EOT SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
ENGINE OIL TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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