AutoCodes – GMC – C0110 2018 GMC Sierra

C0110 2018 GMC Sierra Code - Pump Motor Circuit

Quick Answer

The pump motor is an integral part of the Brake Pressure Modulator Valve (BPMV), while the pump motor relay is integral to the Electronic Brake Control Module (EBCM). 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
C0110 2018 GMC Sierra indicates Pump Motor 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 480
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 19, 2023
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Code C0110 2018 GMC Sierra Description

The pump motor is an integral part of the Brake Pressure Modulator Valve (BPMV), while the pump motor relay is integral to the Electronic Brake Control Module (EBCM). The pump motor relay is not engaged during normal system operation. When the Antilock Brake System (ABS) or Traction Control System (TCS) operation is required the EBCM activates the pump motor relay and turns the pump motor ON. The Diagnostic Trouble Code (DTC) will be set when the EBCM detects a low voltage in the pump motor supply circuit when the feedback voltage is less than 4.5 V for greater than 150 ms, and the pump motor is not activated.
OBDII Code C0110 2018 GMC Sierra - Pump Motor Circuit - AutoCodes.com
C0110 2018 GMC Sierra Code - Pump Motor Circuit

What are the Possible Causes of the DTC C0110 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 C0110 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 C0110 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 C0110 2018 GMC Sierra code?

Need more information on how to fix the C0110 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 C0110 2018 GMC Sierra Code

1. What are common symptoms of OBDII code C0110 in a 2018 GMC Sierra related to the Pump Motor Circuit?

- Common symptoms include the ABS light coming on, loss of ABS functionality, and potential issues with the vehicle's stability control system.

2. What are the possible causes of OBDII code C0110 in a 2018 GMC Sierra?

- The code could be triggered by a faulty pump motor, damaged wiring or connectors, a malfunctioning ABS control module, or issues with the wheel speed sensors.

3. How can I diagnose the cause of OBDII code C0110 in my 2018 GMC Sierra?

- Diagnosing the issue typically involves using a scan tool to retrieve the trouble codes, conducting a visual inspection of the ABS system components, and testing the pump motor and related circuits for proper operation.

4. Can I still drive my 2018 GMC Sierra with OBDII code C0110 present?

- It is not recommended to drive the vehicle with this code active, as it can affect the ABS system's ability to function properly and compromise your safety on the road.

5. How can I repair OBDII code C0110 in my 2018 GMC Sierra related to the Pump Motor Circuit?

- Repair options may include replacing the faulty pump motor, repairing damaged wiring or connectors, resetting the ABS control module, or addressing any issues with the wheel speed sensors.

6. Are there any DIY tips for troubleshooting OBDII code C0110 in a 2018 GMC Sierra?

- DIY tips include checking the ABS fuse, ensuring proper wheel speed sensor alignment, and inspecting the pump motor and related connections for any visible signs of damage.

7. How long does it typically take to repair OBDII code C0110 in a 2018 GMC Sierra?

- The repair time can vary depending on the exact cause of the code, but it may take anywhere from a few hours to a full day to diagnose and fix the issue.

8. What are the potential risks of ignoring OBDII code C0110 in a 2018 GMC Sierra?

- Ignoring the code can lead to continued ABS system malfunctions, compromised vehicle stability, and potential safety hazards while driving, especially in emergency braking situations.

9. Will resetting the OBDII code C0110 in my 2018 GMC Sierra make the problem go away?

- Simply resetting the code without addressing the underlying issue will not solve the problem, as the code is likely to reappear until the root cause is properly diagnosed and repaired.

10. How much can I expect to pay for repairing OBDII code C0110 in a 2018 GMC Sierra at a professional auto repair shop?

- The cost of repair can vary based on the specific cause of the code and the labor rates of the repair shop, but it could range from a few hundred to over a thousand dollars including parts and labor.

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