Engine-CodesChrysler – P0197 Chrysler

P0197 Chrysler Code - Engine Oil Temperature Sensor Circuit Low

Quick Answer

The P0197 code for Chrysler vehicles indicates a problem with the engine oil temperature sensor circuit, specifically that the voltage is too low. Common causes include Faulty engine oil temperature sensor, Damaged or corroded wiring/connectors in the sensor circuit, Issues with the engine control module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0197 Chrysler indicates Engine Oil Temperature Sensor Circuit Low.
Common causes
Common causes include Faulty engine oil temperature sensor, Damaged or corroded wiring/connectors in the sensor circuit, Issues with the engine control module (ECM).
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0197 Chrysler Description

The P0197 code for Chrysler vehicles indicates a problem with the engine oil temperature sensor circuit, specifically that the voltage is too low. The engine oil temperature sensor is responsible for monitoring the temperature of the engine oil, which is crucial for maintaining optimal engine performance and efficiency. When the sensor detects a low voltage, it can lead to inaccurate temperature readings, potentially causing the engine to run less efficiently or even lead to engine damage if not addressed promptly.

OBDII Code P0197 Chrysler - Engine Oil Temperature Sensor Circuit Low
P0197 Chrysler Code - Engine Oil Temperature Sensor Circuit Low

Common Causes of P0197 Chrysler

  1. Faulty engine oil temperature sensor
  2. Damaged or corroded wiring/connectors in the sensor circuit
  3. Issues with the engine control module (ECM)
  4. Low engine oil level
  5. Engine oil that is too thick or contaminated

Symptoms of P0197 Chrysler

  1. Check engine light illuminated on the dashboard
  2. Inaccurate engine oil temperature readings on the gauge
  3. Engine running rough or misfiring
  4. Decreased fuel efficiency
  5. Engine overheating

How to Fix P0197 Chrysler

  1. Begin by diagnosing the issue using a scan tool to confirm the P0197 code.
  2. Inspect the engine oil temperature sensor and its wiring for any damage or corrosion. Replace the sensor if necessary.
  3. Check the engine oil level and quality, ensuring it meets manufacturer specifications.
  4. Test the engine oil temperature sensor circuit for proper voltage and resistance.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0197 Chrysler

The cost to repair a P0197 code on a Chrysler vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing the engine oil temperature sensor itself can range from $50 to $150, while the labor costs can range from $50 to $150 per hour. Additional costs may apply if other components need to be replaced or if further diagnostics are required. It's recommended to consult with a qualified mechanic or dealership for a more accurate cost estimate based on your vehicle's specific needs.

When is the Code Detected?

The P0197 indicates the Engine Oil Temperature Sensor signal voltage is low (high temperature).

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0197 Chrysler Code

No Frequently Asked Questions about P0197 Chrysler Code found.

Discuss the causes and fixes for P0197 Chrysler OBDII Code

  • i replaced the oil temperature sensor and my MIL light is still on and it reads the same code P0197?
    What else could cause this error code? Help please

  • What model and year is your vehicle? let me check if there is something special you need to do