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Engine-Codes – GMC – C0035 2015 GMC Sierra

C0035 2015 GMC Sierra Code - Left Front Wheel Speed Sensor Circuit

Quick Answer

The C0035 diagnostic trouble code (DTC) on a 2015 GMC Sierra specifically refers to a fault in the Left Front Wheel Speed Sensor Circuit. Common causes include Damaged or malfunctioning left front wheel speed sensor, Corrosion or debris affecting sensor performance, Wiring harness damage or disconnection. 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
C0035 2015 GMC Sierra indicates Left Front Wheel Speed Sensor Circuit.
Common causes
Common causes include Damaged or malfunctioning left front wheel speed sensor, Corrosion or debris affecting sensor performance, Wiring harness damage or disconnection.
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 06, 2024
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Code C0035 2015 GMC Sierra Description

The C0035 diagnostic trouble code (DTC) on a 2015 GMC Sierra specifically refers to a fault in the Left Front Wheel Speed Sensor Circuit. The wheel speed sensors are responsible for monitoring the speed of each wheel and sending this information to the vehicle's electronic control module (ECM) to assist with various systems like anti-lock braking (ABS) and traction control. When the ECM detects an issue with the left front wheel speed sensor circuit, it indicates that there is a problem with the sensor or its wiring, which can lead to performance issues and safety concerns.

OBDII Code C0035 2015 GMC Sierra - Left Front Wheel Speed Sensor Circuit
C0035 2015 GMC Sierra Code - Left Front Wheel Speed Sensor Circuit

Common Causes of C0035 2015 GMC Sierra

  1. Damaged or malfunctioning left front wheel speed sensor
  2. Corrosion or debris affecting sensor performance
  3. Wiring harness damage or disconnection
  4. Faulty connections or connectors
  5. ECM software or hardware issues

Symptoms of C0035 2015 GMC Sierra

  1. ABS warning light illuminated on the dashboard
  2. Traction control system warning light activated
  3. Loss of traction or stability while driving
  4. Uneven braking or pulsation in the brake pedal
  5. Difficulty controlling the vehicle in slippery conditions

How to Fix C0035 2015 GMC Sierra

  1. Begin by inspecting the left front wheel speed sensor for any visible damage or corrosion.
  2. Check the wiring harness and connections for any signs of wear, breakage, or loose connections.
  3. Test the sensor's functionality using a multimeter to determine if it is sending accurate signals.
  4. If the sensor is faulty, replace it with a new one and ensure proper installation and calibration.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix C0035 2015 GMC Sierra

The typical repair costs for addressing the C0035 code on a 2015 GMC Sierra can range from $150 to $300, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops may vary depending on factors such as location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops often offer more competitive pricing.

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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 C0035 2015 GMC Sierra Code

1. What are common symptoms of a C0035 OBDII code on a 2015 GMC Sierra?

The common symptoms of a C0035 code include the ABS warning light illuminating on the dashboard, potential traction control issues, and decreased braking performance.

2. What does the C0035 OBDII code indicate for a 2015 GMC Sierra?

The C0035 code specifically refers to a fault in the left front wheel speed sensor circuit of the vehicle.

3. What are some possible causes of the C0035 OBDII code on a 2015 GMC Sierra?

Possible causes of the C0035 code include a faulty wheel speed sensor, damaged wiring or connectors in the left front wheel speed sensor circuit, or issues with the ABS module.

4. How can I diagnose the C0035 OBDII code on my 2015 GMC Sierra?

Diagnosing the C0035 code involves inspecting the left front wheel speed sensor and its wiring for any visible damage, testing the sensor's resistance, and using a scan tool to retrieve specific diagnostic information.

5. Can I still drive my 2015 GMC Sierra with a C0035 OBDII code?

While you may still be able to drive your vehicle with a C0035 code, it is not recommended as it can affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

6. How do I repair a C0035 OBDII code on my 2015 GMC Sierra?

Repairing a C0035 code typically involves replacing the left front wheel speed sensor if it is faulty, repairing any damaged wiring or connectors, and clearing the code with a scan tool.

7. Are there any DIY tips for fixing a C0035 OBDII code on a 2015 GMC Sierra?

DIY tips for addressing a C0035 code include ensuring proper tools are used, carefully inspecting the sensor and wiring for damage, and following manufacturer-specific repair procedures.

8. How much does it cost to fix a C0035 OBDII code on a 2015 GMC Sierra?

The cost of fixing a C0035 code can vary depending on the root cause of the issue, but it may involve expenses for parts like a new wheel speed sensor and potential labor costs if professional help is required.

9. Can a C0035 OBDII code reset itself on a 2015 GMC Sierra?

In some cases, the C0035 code may reset itself after the underlying issue is addressed and the vehicle is driven for a certain distance without any further problems. If the problem persists, a manual reset with a scan tool may be necessary.

10. How important is it to address a C0035 OBDII code promptly on a 2015 GMC Sierra?

It is crucial to address a C0035 code promptly as it indicates a potential issue with the ABS system, which is a key safety feature in modern vehicles. Ignoring the code can lead to safety risks and further damage to the vehicle.

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