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Engine-Codes – Generic – C0110:04

C0110:04 Code - Pump Motor Circuit Open

Quick Answer

The C0110:04 code indicates a problem with the pump motor circuit being open. Common causes include Corroded or damaged wiring connections, Faulty pump motor, Malfunctioning ESC module. 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
C0110:04 indicates Pump Motor Circuit Open.
Common causes
Common causes include Corroded or damaged wiring connections, Faulty pump motor, Malfunctioning ESC module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C0110:04 Description

The C0110:04 code indicates a problem with the pump motor circuit being open. In vehicles with an electronic stability control (ESC) system, this code typically relates to an issue with the hydraulic pump motor that is responsible for applying pressure to the brakes to help prevent wheel lock-up during sudden braking or slippery road conditions. When the pump motor circuit is open, it means that there is an interruption in the electrical circuit that controls the pump motor, leading to a loss of functionality in the ESC system.

OBDII Code C0110:04 - Pump Motor Circuit Open
C0110:04 Code - Pump Motor Circuit Open

Common Causes of C0110:04

  1. Corroded or damaged wiring connections
  2. Faulty pump motor
  3. Malfunctioning ESC module
  4. Electrical issues in the vehicle's power supply
  5. Water or debris intrusion into the ESC system components

Symptoms of C0110:04

  1. Illumination of the ESC warning light on the dashboard
  2. ABS system malfunction or failure
  3. Increased stopping distance during braking
  4. Loss of traction control on slippery surfaces
  5. Unusual noises coming from the ESC system during operation

How to Fix C0110:04

  1. Perform a thorough inspection of the wiring connections and harness for any signs of damage or corrosion.
  2. Test the pump motor for proper functionality and replace it if necessary.
  3. Check the ESC module for faults and replace it if deemed defective.
  4. Clear the trouble codes from the vehicle's system and perform a test drive to ensure the ESC system operates correctly.
  5. Verify the repair by conducting a final diagnostic scan to confirm that the C0110:04 code has been resolved.

Cost to Fix C0110:04

The typical repair costs for addressing the C0110:04 code can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the repair costs for this problem can range from $200 to $500, including parts and labor. However, it is essential to note that the actual costs may differ based on the diagnosis time and labor rates at auto repair shops, which can vary significantly. It is advisable to consult with a qualified technician or obtain quotes from multiple service providers to get an accurate estimate for the repair.

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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 C0110:04 Code

1. What are the common symptoms of OBDII code C0110:04 (Pump Motor Circuit Open)?

- Common symptoms include a disabled or malfunctioning ABS system, the ABS warning light illuminated on the dashboard, and potential loss of traction control in the vehicle.

2. What could be causing the OBDII code C0110:04 (Pump Motor Circuit Open) to trigger?

- Possible causes include a damaged ABS pump motor, a broken wire or connector in the circuit, a blown fuse, or a faulty ABS control module.

3. How can I diagnose the issue causing OBDII code C0110:04 (Pump Motor Circuit Open)?

- Diagnosis typically involves checking the ABS pump motor for proper operation, inspecting the wiring and connectors for damage, testing the fuses related to the ABS system, and scanning the ABS control module for fault codes.

4. Is it safe to drive with OBDII code C0110:04 (Pump Motor Circuit Open) present?

- It is not recommended to drive with this code present as it can affect the performance of the ABS system, potentially compromising your vehicle's safety in certain driving conditions.

5. Can I repair OBDII code C0110:04 (Pump Motor Circuit Open) myself?

- Depending on your automotive repair skills, you may be able to address this issue yourself by inspecting and repairing damaged wiring or connectors, replacing blown fuses, or even swapping out a faulty ABS pump motor.

6. What are the potential repair options for OBDII code C0110:04 (Pump Motor Circuit Open)?

- Repair options may include repairing or replacing damaged wiring, repairing or replacing connectors, replacing blown fuses, or replacing the ABS pump motor or control module if necessary.

7. How much does it typically cost to repair OBDII code C0110:04 (Pump Motor Circuit Open)?

- Repair costs can vary depending on the specific cause of the issue, but it is advisable to budget for potential expenses related to parts and labor, which could range from a few hundred to over a thousand dollars.

8. Will resetting the OBDII code C0110:04 (Pump Motor Circuit Open) make it go away permanently?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the code is not addressed and fixed, the code is likely to reappear once the system detects the problem again.

9. Does OBDII code C0110:04 (Pump Motor Circuit Open) affect the overall drivability of the vehicle?

- While the vehicle may still be drivable with this code present, the compromised ABS system can impact braking performance and traction control, especially in emergency or slippery road conditions.

10. How urgent is it to address OBDII code C0110:04 (Pump Motor Circuit Open) once it is detected?

- It is recommended to address this code promptly to ensure the proper functioning of the ABS system and maintain optimal vehicle safety. Ignoring the issue can lead to potential safety risks and further damage to the ABS components.

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