Engine-Codes.com | All About OBDII Engine Codes
Engine-Codes.com | All About OBDII Engine Codes

P0197

P0197 - Engine Oil Temperature Sensor Low

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P0197 Comments |  Add Comment
Possible causes
- Faulty Engine Oil Temperature sensor
- Engine Oil Temperature sensor harness is open or shorted
- Engine Oil Temperature sensor circuit poor electrical connection
Help with Possible causes What does this mean?
When is the code detected?
The P0197 indicates the Engine Oil Temperature Sensor signal voltage is low (high temperature).
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0197 Description

The engine oil temperature sensor is used to detect the engine oil temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the ECM as the engine oil temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.

P0197 Information for specific makes
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