C0031 - DTC C0031 - Wheel Speed Sensor Range/Performance Problem (Common in 2015-2018 Chevrolet and GMC Models)

Quick Answer

C0031 means: C0031 indicates a malfunction with the wheel speed sensor, impacting ABS and traction performance.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with C0031? Immediate attention is recommended to ensure safe vehicle operation.

Common Questions

What does C0031 mean and how does it affect my car?

C0031 signifies a problem with your vehicle's wheel speed sensor, which plays a vital role in your ABS and traction control systems. If this sensor fails, it can lead to decreased braking efficiency, especially in wet conditions, making it critical to address this code promptly.

What are the most common causes of C0031 and how much does it cost to fix?

The most common cause of C0031 is a faulty wheel speed sensor, which can range from $150 to $300 to replace. Other causes include damaged wiring or poor connections, with repair costs typically between $100 and $200.

Can I drive my car with C0031 or should I stop immediately?

While you may be able to drive your car with a C0031 code, it is not advisable. The vehicle's braking performance could be compromised, especially in emergency situations. It's best to have the issue evaluated by a professional as soon as possible.

How can I diagnose C0031 myself using GeekOBD APP?

Using the GeekOBD APP, you can perform a diagnostic check by connecting the app to your vehicle's OBD2 port. Retrieve the error codes and review the freeze frame data to get context on the malfunction, which will help you understand the severity of the issue.

What vehicles are most commonly affected by C0031?

C0031 is commonly found in various Chevrolet and GMC models, particularly those manufactured between 2015 and 2018. Models such as the Chevrolet Silverado and GMC Sierra frequently report this code, often due to wheel speed sensor issues.

How can I prevent C0031 from happening again?

To prevent the C0031 code from recurring, regularly inspect your vehicle’s wheel speed sensors and their wiring. Keeping the undercarriage clean and free of road debris can also help protect these components from damage.

What is C0031?

DTC C0031 indicates a problem with the wheel speed sensor, which is crucial for your vehicle’s anti-lock braking system (ABS) and traction control. This code typically arises when the powertrain control module (PCM) detects that the wheel speed sensor's signal is out of range or not performing as expected. The wheel speed sensor measures the rotational speed of the wheel and sends this information to the ABS system. When the sensor fails or its signal becomes erratic, it can lead to issues such as the ABS system not functioning correctly. In real-world terms, this could mean that your vehicle may experience longer stopping distances, decreased traction during slippery conditions, or even the ABS warning light illuminating on your dashboard. Ignoring this code can lead to more severe braking issues, especially in adverse weather conditions, making it essential to address promptly. Regular maintenance, including checking the sensor and its connections, can help prevent this code from appearing in the future.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C0031 is present:

The ABS warning light illuminates on the dashboard, indicating a potential issue with the braking system.
Uneven or extended braking distances while driving, suggesting that the ABS may not engage properly during emergency stops.
Traction control system may deactivate, leading to decreased vehicle control on slippery surfaces.
Inconsistent responses when applying brakes, such as feeling a pulsing sensation that shouldn't be present.
Potential decrease in fuel economy, as the vehicle might adjust its performance based on inaccurate wheel speed readings.

Possible Causes

Most common causes of C0031 (ordered by frequency):

The most common cause of the C0031 code is a faulty wheel speed sensor, which accounts for about 70% of cases. This can happen due to wear and tear, damage from road debris, or corrosion.
Another frequent cause is damaged wiring or poor connections in the sensor circuit. This can result from exposure to harsh weather or physical damage, leading to a 20% likelihood of triggering the code.
Preventive maintenance, such as regular checks of wheel speed sensor connectors, can help avoid these issues. Neglecting this can lead to more severe braking problems.
Less common but serious causes include a malfunctioning ABS module, which can lead to costly repairs if not addressed swiftly.
Lastly, a rare cause could be software issues within the vehicle's PCM, which may require a dealer-specific reprogramming to resolve.

C0031 Repair Costs

Cost Breakdown by Repair Type

Wheel Speed Sensor Replacement

Replacing the faulty wheel speed sensor is often the most effective solution.

Total: $150 - $300
Success rate: 90%

Wiring Repair

Repairing or replacing damaged wiring or connectors associated with the wheel speed sensor.

Total: $100 - $200
Success rate: 80%

Money-Saving Tips for C0031

Start with the most common and least expensive repairs first
Use GeekOBD APP to confirm diagnosis before replacing expensive parts
Consider preventive maintenance to avoid future occurrences
Compare prices for OEM vs aftermarket parts based on your needs
Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional C0031 Diagnosis Process

Follow these systematic steps to accurately diagnose C0031. Each step builds on the previous one to ensure accurate diagnosis.