AutoCodes – Generic – C0110

C0110 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 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 30,601
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 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 - Pump Motor Circuit - AutoCodes.com
C0110 Code - Pump Motor Circuit

What are the Possible Causes of the DTC C0110?

  • 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?

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 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 code?

Need more information on how to fix the C0110 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0110 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 Code

1. What are common symptoms of OBDII code C0110 (Pump Motor Circuit)?

- Common symptoms include the ABS warning light being illuminated on the dashboard, issues with the ABS system functioning properly, and potential difficulty with braking performance.

2. What are possible causes of OBDII code C0110 (Pump Motor Circuit)?

- Possible causes include a faulty ABS pump motor, damaged wiring or connectors in the circuit, a malfunctioning ABS control module, or issues with the vehicle's power supply to the ABS system.

3. How can I diagnose the cause of OBDII code C0110 (Pump Motor Circuit)?

- Diagnosing the cause typically involves conducting a visual inspection of the ABS system components, checking for loose or damaged wiring, using a diagnostic scanner to retrieve freeze frame data, and performing tests on the ABS pump motor.

4. Can I continue driving with OBDII code C0110 (Pump Motor Circuit) active?

- It is not recommended to continue driving with this code active, as it can affect the proper functioning of the ABS system, potentially compromising your vehicle's braking performance and safety.

5. How can I repair OBDII code C0110 (Pump Motor Circuit)?

- Repair options may include replacing the ABS pump motor, repairing or replacing damaged wiring or connectors, resetting the ABS control module, or addressing any power supply issues to the ABS system.

6. Is it safe to reset the OBDII code C0110 (Pump Motor Circuit) using a diagnostic scanner?

- While resetting the code may temporarily turn off the warning light, it is important to diagnose and address the underlying issue causing the code to prevent potential safety hazards associated with ABS system malfunctions.

7. How much does it cost to repair OBDII code C0110 (Pump Motor Circuit)?

- The cost of repair can vary depending on the specific cause of the code, parts needed for replacement, labor costs, and whether the repair is done at a dealership or an independent repair shop. It is advisable to obtain quotes from different sources.

8. Can a DIY enthusiast fix OBDII code C0110 (Pump Motor Circuit)?

- Depending on the individual's experience and access to tools, some DIY enthusiasts may be able to address simpler causes of the code, such as checking and repairing wiring issues. However, more complex issues may require professional assistance.

9. How long does it take to repair OBDII code C0110 (Pump Motor Circuit)?

- The repair time can vary based on the specific cause of the code, availability of parts, and the expertise of the technician performing the repair. It is advisable to consult with a professional for a more accurate estimate.

10. Are there any preventive measures to avoid OBDII code C0110 (Pump Motor Circuit)?

- Regular maintenance of the ABS system, including checking for signs of wear or damage, ensuring proper electrical connections, and addressing any warning lights promptly, can help prevent issues leading to this OBDII code.

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