Engine-CodesLexus – P0517 Lexus

P0517 Lexus Code - Battery Temperature Sensor Circuit High

Quick Answer

The P0517 code in a Lexus indicates a problem with the battery temperature sensor circuit being too high. Common causes include Faulty battery temperature sensor, Corroded or damaged sensor wiring, Poor electrical connections. 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 Lexus indicates Battery Temperature Sensor Circuit High.
Common causes
Common causes include Faulty battery temperature sensor, Corroded or damaged sensor wiring, Poor electrical connections.
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 Sep 12, 2024
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Code P0517 Lexus Description

The P0517 code in a Lexus indicates a problem with the battery temperature sensor circuit being too high. This sensor is responsible for monitoring the temperature of the battery to ensure it is operating within a safe range. When the sensor detects a high temperature, it triggers this diagnostic trouble code (DTC) to alert the vehicle's onboard computer system that there may be an issue with the battery temperature.

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

Common Causes of P0517 Lexus

  1. Faulty battery temperature sensor
  2. Corroded or damaged sensor wiring
  3. Poor electrical connections
  4. Battery overheating due to charging issues
  5. Extreme ambient temperatures affecting sensor readings

Symptoms of P0517 Lexus

  1. Check engine light illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Difficulty starting the vehicle
  4. Erratic or fluctuating battery voltage readings
  5. Overheating of the battery

How to Fix P0517 Lexus

  1. Diagnose the issue by using an OBD-II scanner to retrieve the specific trouble code and investigate the battery temperature sensor circuit.
  2. Inspect the sensor, wiring, and connections for any signs of damage, corrosion, or loose connections.
  3. Replace the battery temperature sensor if it is found to be malfunctioning.
  4. Repair or replace any damaged wiring or connections in the sensor circuit.
  5. Clear the trouble code from the vehicle's computer system and test the battery temperature sensor to ensure it is functioning properly.

Cost to Fix P0517 Lexus

The cost of repairing a P0517 code in a Lexus can vary depending on the specific issue causing the code and the labor rates of the repair shop. In general, the replacement of a battery temperature sensor can cost anywhere from $50 to $200, while labor costs can range from $80 to $150 per hour. Additional costs may be incurred if there is damage to the wiring or connections that need to be repaired or replaced. It is recommended to get a quote from a trusted mechanic or dealership to get a more accurate estimate based on your vehicle's make and model.

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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 Lexus Code

1. What are the common symptoms of OBDII code P0517 in a Lexus related to the battery temperature sensor circuit high?

- Common symptoms include the illumination of the check engine light, issues with starting the vehicle, and potential battery-related problems.

2. What can cause the OBDII code P0517 in a Lexus indicating a high battery temperature sensor circuit?

- Causes may include a faulty battery temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's internal circuitry.

3. How does a high battery temperature sensor circuit affect the performance of a Lexus with OBDII code P0517?

- A high battery temperature sensor circuit can impact the vehicle's battery management system, leading to potential issues with charging, battery health monitoring, and overall electrical system performance.

4. Can I continue driving my Lexus if the OBDII code P0517 is triggered due to a high battery temperature sensor circuit?

- It is generally not recommended to continue driving the vehicle when this code is active, as it can affect the proper functioning of the battery and electrical system.

5. What are some DIY repair tips for addressing OBDII code P0517 in a Lexus with a high battery temperature sensor circuit?

- DIY repair tips may include checking and cleaning the sensor connectors, inspecting the wiring for any visible damage, and testing the battery temperature sensor for proper functionality.

6. Is it necessary to replace the battery temperature sensor when dealing with OBDII code P0517 in a Lexus?

- In many cases, replacing the faulty battery temperature sensor is the most effective solution to resolve the high circuit issue and clear the trouble code.

7. How can a mechanic diagnose OBDII code P0517 in a Lexus related to a high battery temperature sensor circuit?

- A mechanic may use a scan tool to read the trouble codes, perform a visual inspection of the sensor and wiring, conduct tests on the sensor's resistance, and check for any related issues in the electrical system.

8. Does OBDII code P0517 in a Lexus with a high battery temperature sensor circuit impact fuel efficiency?

- While the direct impact on fuel efficiency may be minimal, unresolved issues related to the battery temperature sensor circuit can lead to broader electrical system problems that may affect overall vehicle performance.

9. Can extreme weather conditions contribute to triggering OBDII code P0517 in a Lexus due to a high battery temperature sensor circuit?

- Yes, extreme temperatures can potentially affect the accuracy and operation of the battery temperature sensor, leading to circuit high readings and the activation of the trouble code.

10. How long does it typically take to repair OBDII code P0517 in a Lexus caused by a high battery temperature sensor circuit?

- The repair time can vary depending on the exact cause of the issue, but resolving OBDII code P0517 related to the battery temperature sensor circuit high usually takes a few hours at a professional repair shop.

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