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Engine-Codes – Scion – P0517 Scion

P0517 Scion Code - Battery Temperature Sensor Circuit High

Quick Answer

The P0517 code for Scion vehicles indicates a problem with the battery temperature sensor circuit being too high. Common causes include Faulty Battery Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECM, Wiring Issues: Damage or corrosion in the wiring that connects the battery temperature sensor to the ECM can cause high voltage readings, ECM Malfunction: A problem with the engine control module receiving and interpreting signals from the sensor can trigger the P0517 code. 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
P0517 Scion indicates Battery Temperature Sensor Circuit High.
Common causes
Common causes include Faulty Battery Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECM, Wiring Issues: Damage or corrosion in the wiring that connects the battery temperature sensor to the ECM can cause high voltage readings, ECM Malfunction: A problem with the engine control module receiving and interpreting signals from the sensor can trigger the P0517 code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0517 Scion Description

The P0517 code for Scion vehicles indicates a problem with the battery temperature sensor circuit being too high. The battery temperature sensor plays a crucial role in monitoring the temperature of the battery, which is essential for its proper functioning. The sensor sends information to the engine control module (ECM) to ensure the battery operates within a safe temperature range.

OBDII Code P0517 Scion - Battery Temperature Sensor Circuit High
P0517 Scion Code - Battery Temperature Sensor Circuit High

Common Causes of P0517 Scion

  1. Faulty Battery Temperature Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECM.
  2. Wiring Issues: Damage or corrosion in the wiring that connects the battery temperature sensor to the ECM can cause high voltage readings.
  3. ECM Malfunction: A problem with the engine control module receiving and interpreting signals from the sensor can trigger the P0517 code.
  4. Environmental Factors: Extreme temperatures or exposure to heat can affect the accuracy of the battery temperature sensor readings.

Symptoms of P0517 Scion

  1. Check Engine Light: The most common symptom of the P0517 code is the illumination of the check engine light on the dashboard.
  2. Poor Fuel Efficiency: A malfunctioning battery temperature sensor can affect the vehicle's fuel efficiency, leading to decreased mileage.
  3. Battery Overheating: If the battery temperature sensor is not working correctly, it can result in the battery overheating, which may be noticeable by a burning smell or hot battery.
  4. Electrical Issues: High voltage readings from the sensor can cause electrical issues such as flickering lights, erratic behavior of electrical components, or difficulty starting the vehicle.

How to Fix P0517 Scion

  1. Diagnose the Issue: Use a diagnostic scanner to read the code and identify the specific cause of the high voltage reading from the battery temperature sensor.
  2. Inspect Wiring: Check the wiring harness connecting the battery temperature sensor to the ECM for any signs of damage, corrosion, or loose connections.
  3. Test the Sensor: Verify the operation of the battery temperature sensor by testing its resistance and functionality.
  4. Replace the Sensor: If the sensor is found to be faulty, replace it with a new one following manufacturer's guidelines.
  5. Clear the Code: After the repair is completed, clear the P0517 code from the ECM memory using the diagnostic scanner.

Cost to Fix P0517 Scion

The cost of repairing a P0517 code for a Scion vehicle can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. This estimate includes the price of a new battery temperature sensor and any additional components that may need replacement. It's important to note that labor rates can vary, with rates typically ranging between $80 and $150 per hour. For a more accurate estimate, it is recommended to consult with a local auto repair shop.

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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 P0517 Scion Code

1. What are the common symptoms of OBDII code P0517 (Battery Temperature Sensor Circuit High) in a Scion?

The common symptoms of P0517 in a Scion include the check engine light being illuminated on the dashboard, poor fuel economy, and potential difficulty starting the vehicle.

2. What causes the OBDII code P0517 in a Scion?

The most common cause of P0517 in a Scion is a malfunction with the battery temperature sensor or its circuit, leading to a high voltage reading.

3. How serious is the OBDII code P0517 in a Scion?

While P0517 may not cause immediate drivability issues, it is important to address this code promptly to prevent potential damage to the vehicle's electrical system or battery.

4. Can I still drive my Scion with the OBDII code P0517 present?

It is generally safe to drive your Scion with the P0517 code, but it is recommended to have the issue diagnosed and repaired as soon as possible to avoid any further complications.

5. How can I diagnose the OBDII code P0517 in my Scion?

To diagnose P0517, a technician will typically use a scan tool to read the code, test the battery temperature sensor and its circuit for proper functionality, and inspect for any wiring issues.

6. How can I repair the OBDII code P0517 in my Scion?

Repairing P0517 may involve replacing the faulty battery temperature sensor, repairing any damaged wiring or connectors, or resetting the code after addressing the underlying issue.

7. Can a DIY enthusiast fix the OBDII code P0517 in a Scion?

While some DIY enthusiasts may be able to diagnose and repair P0517, it is recommended to seek professional help, especially if you are unfamiliar with automotive electrical systems.

8. How much does it typically cost to fix the OBDII code P0517 in a Scion?

The cost of fixing P0517 in a Scion can vary depending on the underlying issue, parts needed, and labor rates. It is advisable to get a quote from a trusted mechanic.

9. Will resetting the OBDII code P0517 in my Scion make it go away permanently?

Resetting the code without addressing the root cause will only temporarily clear the check engine light. The code is likely to return if the underlying issue is not resolved.

10. Are there any preventive measures to avoid the OBDII code P0517 in a Scion?

To prevent P0517 in a Scion, regular maintenance checks, including inspecting the battery temperature sensor and its wiring, can help catch potential issues early and avoid triggering the code.

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