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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (DTCS P0171 To P0298) >> P0197-Engine Oil Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
INTERMITTENT DTC
(G24) EOT SIGNAL CIRCUIT SHORTED TO GROUND
(G24) EOT SIGNAL CIRCUIT SHORTED TO THE (K915) SENSOR GROUND CIRCUIT
(G24) EOT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
ENGINE OIL TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure