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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 41 (2.0L - DTCS P0131 To P0204) >> DTC Troubleshooting >> P0198 Engine Oil Temperature Sensor Circuit High >> Possible Causes

Possible Causes

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Possible Causes
EOT SENSOR TEMP SIGNAL CIRCUIT SHORTED TO VOLTAGE
EOT SENSOR TEMP SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
ENGINE OIL PRESSURE/TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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