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P0197 Severity
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
The Engine Oil Temperature Sensor tells the engine control module (PCM) the temperature of the engine oil. If the PCM detects an incorrect signal from the Engine Oil Temperature Sensor, it will set code P0197.
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OBD-II Code Powertrain Control Module (PCM) failure is defined as a Engine Oil Temperature Sensor Circuit Low
The Engine Oil Temperature Sensor tells the engine control module (PCM) the temperature of the engine oil. If the PCM detects an incorrect signal from the Engine Oil Temperature Sensor, it will set code P0197.