AutoCodes – GMC – C0131 2018 GMC Sierra

C0131 2018 GMC Sierra Code - Traction Control System Pressure Circuit

Quick Answer

The Electronic Brake Control Module (EBCM) monitors the brake pressure sensor which is integral to the Brake Pressure Modulator Valve (BPMV). Common causes include Faulty Electronic Brake Control Module (EBCM) with Brake Pressure Modulator Valve (BPMV), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module circuit poor electrical connection. 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
C0131 2018 GMC Sierra indicates Traction Control System Pressure Circuit.
Common causes
Common causes include Faulty Electronic Brake Control Module (EBCM) with Brake Pressure Modulator Valve (BPMV), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module circuit poor electrical connection.
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.
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Code Popularity 234
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 20, 2023
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Code C0131 2018 GMC Sierra Description

The Electronic Brake Control Module (EBCM) monitors the brake pressure sensor which is integral to the Brake Pressure Modulator Valve (BPMV). The Body Control Module (BCM) monitors the brake pedal position sensor signal when the brake pedal is applied and sends a serial data message to the Electronic Brake Control Module indicating the brake pedal position. The Electronic Brake Control Module compares the brake pressure to the actual brake pedal position and uses this information for vehicle stability control.
OBDII Code C0131 2018 GMC Sierra - Traction Control System Pressure Circuit - AutoCodes.com
C0131 2018 GMC Sierra Code - Traction Control System Pressure Circuit

What are the Possible Causes of the DTC C0131 2018 GMC Sierra?

  • Faulty Electronic Brake Control Module (EBCM) with Brake Pressure Modulator Valve (BPMV)
  • Electronic Brake Control Module harness is open or shorted
  • Electronic Brake Control Module circuit poor electrical connection

How to Fix the DTC C0131 2018 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0131 2018 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C0131 2018 GMC Sierra code?

Need more information on how to fix the C0131 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C0131 2018 GMC Sierra Code

1. What does the OBDII code C0131 mean on a 2018 GMC Sierra?

C0131 indicates a problem with the Traction Control System (TCS) Pressure Circuit, specifically related to a malfunction in the brake pressure sensor performance.

2. What are the common symptoms of code C0131 in a 2018 GMC Sierra?

Symptoms may include the ABS and traction control lights turning on, reduced traction control functionality, and possibly longer braking distances or compromised stability during braking.

3. What causes the C0131 code to appear on a 2018 GMC Sierra?

Common causes include a faulty brake pressure sensor, damaged wiring or connectors in the brake pressure circuit, or issues with the ABS control module.

4. Can you drive a 2018 GMC Sierra with the C0131 code?

While the vehicle may still be drivable, the traction control and ABS systems may not function properly, increasing the risk of loss of control in slippery conditions.

5. How do you diagnose the C0131 code on a 2018 GMC Sierra?

Diagnosis typically involves scanning the vehicle with an OBDII scanner, inspecting the brake pressure sensor and its wiring for damage, and testing the sensor's output with a multimeter.

6. How do you fix the C0131 code on a 2018 GMC Sierra?

Repairs may include replacing the brake pressure sensor, repairing damaged wires or connectors, or reprogramming or replacing the ABS control module if necessary.

7. How much does it cost to fix a C0131 code on a 2018 GMC Sierra?

Repair costs can vary but typically range from $150 to $400, depending on whether the issue is with the sensor, wiring, or ABS module.

8. Can a faulty brake pressure sensor trigger the C0131 code on a 2018 GMC Sierra?

Yes, a malfunctioning brake pressure sensor is one of the most common causes of this code.

9. Will clearing the C0131 code fix the problem on a 2018 GMC Sierra?

Clearing the code may temporarily turn off the warning lights, but the underlying issue must be addressed to prevent the code from returning.

10. Can low brake fluid cause the C0131 code on a 2018 GMC Sierra?

Low brake fluid can sometimes contribute to issues with the brake pressure sensor, but it is not the most common cause of this code.

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