Engine-CodesGMC – C0245 2017 GMC Sierra

C0245 2017 GMC Sierra Code - Wheel Speed Sensor Frequency Malfunction

Quick Answer

The C0245 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a Wheel Speed Sensor Frequency Malfunction. Common causes include Faulty wheel speed sensor, Damaged or corroded wiring/connectors to the wheel speed sensor, ABS control module malfunction. 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
C0245 2017 GMC Sierra indicates Wheel Speed Sensor Frequency Malfunction.
Common causes
Common causes include Faulty wheel speed sensor, Damaged or corroded wiring/connectors to the wheel speed sensor, ABS control module malfunction.
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 10, 2024
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Code C0245 2017 GMC Sierra Description

The C0245 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a Wheel Speed Sensor Frequency Malfunction. This code is typically associated with the vehicle's anti-lock braking system (ABS) and traction control system. The wheel speed sensors are responsible for monitoring the rotation speed of each wheel and sending this information to the ABS control module. The ABS control module then uses this data to determine when to activate the ABS system to prevent wheel lock-up during braking.

OBDII Code C0245 2017 GMC Sierra - Wheel Speed Sensor Frequency Malfunction
C0245 2017 GMC Sierra Code - Wheel Speed Sensor Frequency Malfunction

Common Causes of C0245 2017 GMC Sierra

  1. Faulty wheel speed sensor
  2. Damaged or corroded wiring/connectors to the wheel speed sensor
  3. ABS control module malfunction
  4. Wheel bearing issues affecting sensor readings
  5. Vehicle speed sensor malfunction affecting wheel speed sensor readings

Symptoms of C0245 2017 GMC Sierra

  1. Illuminated ABS warning light on the dashboard
  2. Traction control system malfunction indicator
  3. Increased stopping distance during braking
  4. ABS system activation under normal braking conditions
  5. Uneven braking or pulling to one side during braking

How to Fix C0245 2017 GMC Sierra

  1. Begin by diagnosing the specific wheel speed sensor causing the frequency malfunction using a scan tool to retrieve the DTC.
  2. Inspect the wiring and connectors connected to the identified wheel speed sensor for any damage or corrosion. Repair or replace as necessary.
  3. Test the wheel speed sensor using a multimeter to ensure it is providing accurate readings.
  4. If the sensor is faulty, replace it with a new OEM sensor to ensure proper functionality.
  5. Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix C0245 2017 GMC Sierra

The typical repair costs for addressing a Wheel Speed Sensor Frequency Malfunction can range from $150 to $400, including parts and labor. However, the final cost may vary depending on the extent of the issue, the specific component that needs replacement, and the labor rates at the auto repair shop. It is recommended to consult with a professional technician to receive an accurate estimate based on the vehicle's make and model, as well as the local labor rates.

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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 C0245 2017 GMC Sierra Code

1. What does OBDII code C0245 Wheel Speed Sensor Frequency Malfunction indicate for a 2017 GMC Sierra?

This code indicates a problem with the wheel speed sensor's frequency signal, usually related to the ABS system.

2. What are common symptoms of OBDII code C0245 on a 2017 GMC Sierra?

Common symptoms include the ABS warning light coming on, traction control issues, and potential loss of stability control.

3. What are the possible causes of OBDII code C0245 on a 2017 GMC Sierra?

Possible causes include a faulty wheel speed sensor, damaged wiring or connectors, a failing ABS module, or issues with the tone ring.

4. How can I diagnose the cause of OBDII code C0245 on my 2017 GMC Sierra?

Diagnosis typically involves inspecting the wheel speed sensors, checking the wiring and connectors for damage, testing the ABS module, and verifying the tone ring's condition.

5. Can I drive my 2017 GMC Sierra with OBDII code C0245?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS and stability control systems.

6. How can I repair OBDII code C0245 on my 2017 GMC Sierra?

Repair may involve replacing the faulty wheel speed sensor, repairing damaged wiring or connectors, reprogramming the ABS module, or addressing issues with the tone ring.

7. Is it possible to clear OBDII code C0245 on a 2017 GMC Sierra without fixing the issue?

Clearing the code without addressing the underlying problem will likely result in the code reappearing once the system detects the issue again.

8. How much does it typically cost to repair OBDII code C0245 on a 2017 GMC Sierra?

The cost of repair can vary depending on the specific cause of the issue, but it may involve parts and labor costs associated with sensor replacement or module reprogramming.

9. Can a DIY enthusiast fix OBDII code C0245 on a 2017 GMC Sierra?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address certain aspects of the repair, such as sensor replacement or wiring repairs.

10. How important is it to address OBDII code C0245 promptly on a 2017 GMC Sierra?

It is important to address this code promptly to ensure the proper functioning of the vehicle's safety systems and to prevent potential issues while driving.

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