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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 416 (5.7L CNG - DTCS P000B To P0203 - 2500 Hd) >> Diagnosis And Testing >> P0198-Engine Oil Temperature Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
ENGINE OIL TEMP SIGNAL CIRCUIT SHORTED TO VOLTAGE
ENGINE OIL TEMP SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
ENGINE OIL TEMPERATURE (EOT) SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .