Engine-CodesGMC – C0035 GMC

C0035 GMC Code - Left Front Wheel Speed Sensor Circuit

Quick Answer

The C0035 GMC code specifically refers to a problem with the left front wheel speed sensor circuit. Common causes include Faulty wheel speed sensor, Damaged or corroded sensor wiring, Poor electrical connection to the sensor. 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 GMC indicates Left Front Wheel Speed Sensor Circuit.
Common causes
Common causes include Faulty wheel speed sensor, Damaged or corroded sensor wiring, Poor electrical connection to the sensor.
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 07, 2024
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Code C0035 GMC Description

The C0035 GMC code specifically refers to a problem with the left front wheel speed sensor circuit. This sensor plays a crucial role in the vehicle's anti-lock braking system (ABS) and traction control system. The wheel speed sensor is responsible for monitoring the speed of the wheel and transmitting this data to the vehicle's electronic control module (ECM). This information is used to determine if a wheel is locking up during braking or losing traction during acceleration.

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

Common Causes of C0035 GMC

  1. Faulty wheel speed sensor
  2. Damaged or corroded sensor wiring
  3. Poor electrical connection to the sensor
  4. Issues with the ABS module
  5. Damage to the tone ring or reluctor ring on the wheel hub

Symptoms of C0035 GMC

  1. ABS warning light illuminated on the dashboard
  2. Traction control warning light is on
  3. Erratic or inconsistent braking performance
  4. Tires locking up during braking
  5. ABS system engaging unexpectedly

How to Fix C0035 GMC

  1. Diagnose the issue by connecting a scan tool to retrieve the specific fault code and confirm the left front wheel speed sensor circuit is the problem.
  2. Inspect the sensor wiring and connections for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the wheel speed sensor with a multimeter to ensure it is functioning properly. Replace the sensor if it is faulty.
  4. Check the tone ring or reluctor ring on the wheel hub for damage. Replace if necessary.
  5. Clear the fault code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0035 GMC

The typical cost to repair a left front wheel speed sensor circuit issue can vary depending on the specific cause of the problem. In general, the cost of the sensor itself can range from $50 to $150, with additional labor costs of around $100 to $200. Overall, the total repair cost can range from $150 to $350. However, it's important to note that prices can vary depending on the location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to obtain a detailed quote from a trusted mechanic before proceeding with the repair.

Tech Notes for C0035 GMC









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Information for Specific GMC Models

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 GMC Code

1. What are common symptoms of OBDII code C0035 GMC?

The common symptoms of OBDII code C0035 GMC, also known as Left Front Wheel Speed Sensor Circuit issue, include ABS light illuminated on the dashboard, traction control system malfunction, and potential loss of traction control.

2. What can cause OBDII code C0035 GMC to trigger?

OBDII code C0035 GMC can be triggered by a faulty left front wheel speed sensor, damaged wiring or connectors in the circuit, sensor misalignment, or issues with the ABS module.

3. How can I diagnose the OBDII code C0035 GMC at home?

You can diagnose OBDII code C0035 GMC at home by visually inspecting the left front wheel speed sensor and its wiring for any visible damage, checking the sensor's resistance with a multimeter, and scanning the vehicle with an OBDII scanner for trouble codes.

4. What are the potential repair options for OBDII code C0035 GMC?

Repair options for OBDII code C0035 GMC include replacing the left front wheel speed sensor, repairing or replacing damaged wiring and connectors, realigning the sensor, or reprogramming the ABS module if necessary.

5. Can I drive my vehicle with OBDII code C0035 GMC?

It is not recommended to drive your vehicle with OBDII code C0035 GMC as it can affect the proper functioning of the ABS system and traction control, potentially compromising your safety on the road.

6. How much does it typically cost to repair OBDII code C0035 GMC?

The cost to repair OBDII code C0035 GMC can vary depending on the cause of the issue, the extent of the repair needed, and labor rates in your area. Generally, replacing a wheel speed sensor can cost between $100 to $300, including parts and labor.

7. Will resetting the trouble codes make OBDII code C0035 GMC disappear?

Resetting the trouble codes may temporarily make OBDII code C0035 GMC disappear, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the fault again.

8. What are some tips to prevent OBDII code C0035 GMC from occurring?

To prevent OBDII code C0035 GMC from occurring, it is recommended to regularly inspect the wheel speed sensors and their wiring for any signs of damage, avoid driving over rough terrain that could misalign the sensors, and address any ABS system warnings promptly.

9. Can a DIY enthusiast repair OBDII code C0035 GMC at home?

Depending on your experience and access to tools, a DIY enthusiast may be able to repair OBDII code C0035 GMC at home by following repair guides or tutorials. However, it is important to ensure proper diagnosis and repair to maintain the safety of the vehicle.

10. How long does it take to repair OBDII code C0035 GMC?

The time it takes to repair OBDII code C0035 GMC can vary based on the specific cause of the issue and the complexity of the repair. In general, a straightforward repair such as replacing a wheel speed sensor can take around 1-2 hours, while more extensive repairs may take longer.

Discuss the causes and fixes for C0035 GMC OBDII Code

  • Hello, I would also say that you would get brake pedal vibration and sink age as you slow to a stop that scares the heck out of you I changed both sensors and that mitigated the problem. Thanks for all your help

  • Thank you for sharing the information!!

  • be careful with this code the way gm set it up you can have a right wheel speed sensor gone and it will show that left wheel code check it out and you will see for yourself.