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Engine-Codes – Generic – C1073

C1073 Code - ABS Pump Motor Control Circuit

Quick Answer

The C1073 code refers to a problem with the ABS pump motor control circuit in a vehicle's anti-lock braking system. Common causes include Faulty ABS pump motor, Damaged wiring or connectors in the ABS pump motor control circuit, Corrosion or moisture in the ABS pump motor control 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
C1073 indicates ABS Pump Motor Control Circuit.
Common causes
Common causes include Faulty ABS pump motor, Damaged wiring or connectors in the ABS pump motor control circuit, Corrosion or moisture in the ABS pump motor control 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 07, 2024
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Code C1073 Description

The C1073 code refers to a problem with the ABS pump motor control circuit in a vehicle's anti-lock braking system. The ABS pump motor control circuit is responsible for managing the operation of the ABS pump motor, which helps regulate the pressure in the brake system to prevent wheel lock-up during sudden braking or slippery road conditions. When this circuit malfunctions, it can lead to issues with the vehicle's braking performance, potentially compromising safety.

OBDII Code C1073 - ABS Pump Motor Control Circuit
C1073 Code - ABS Pump Motor Control Circuit

Common Causes of C1073

  1. Faulty ABS pump motor
  2. Damaged wiring or connectors in the ABS pump motor control circuit
  3. Corrosion or moisture in the ABS pump motor control module
  4. Defective ABS pump motor relay
  5. Issues with the vehicle's power supply or grounding for the ABS system

Symptoms of C1073

  1. Illumination of the ABS warning light on the dashboard
  2. Loss of ABS functionality, resulting in increased stopping distances
  3. Strange noises coming from the ABS pump motor
  4. Unusual vibrations or pulsations felt through the brake pedal
  5. Difficulty maintaining control of the vehicle during braking

How to Fix C1073

  1. Diagnose the specific cause of the C1073 code by using a diagnostic scan tool to check for fault codes and perform a visual inspection of the ABS pump motor control circuit.
  2. Test the ABS pump motor and related components to identify any faults or malfunctions.
  3. Repair or replace any damaged wiring, connectors, or components in the ABS pump motor control circuit.
  4. Reset the ABS system and clear the fault codes to see if the issue has been resolved.
  5. Test drive the vehicle to ensure that the ABS system is functioning properly and that the C1073 code does not reappear.

Cost to Fix C1073

The cost of repairing a C1073 code related to the ABS pump motor control circuit can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $200 to $500, while labor costs can range from $100 to $300. Overall, a typical repair for this issue could cost anywhere from $300 to $800. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check local rates for a more precise estimate.

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Code C1073 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 C1073 Code

1. What are the common symptoms of OBDII code C1073 (ABS Pump Motor Control Circuit)?

The common symptoms of OBDII code C1073 include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the vehicle's braking system.

2. What are the possible causes of OBDII code C1073?

Possible causes of OBDII code C1073 include a faulty ABS pump motor, damaged wiring or connectors in the ABS system, low brake fluid levels, or a malfunctioning ABS control module.

3. How can I diagnose the ABS Pump Motor Control Circuit issue related to code C1073?

Diagnosing the ABS Pump Motor Control Circuit issue typically involves using an OBDII scanner to retrieve the code C1073, conducting a visual inspection of the ABS system components, checking the wiring and connectors for damage, and testing the ABS pump motor for proper functionality.

4. Can I continue driving my vehicle with OBDII code C1073?

It is not recommended to drive the vehicle with OBDII code C1073 unresolved, as it may lead to safety concerns due to potential ABS system failure. It is advisable to address the issue promptly.

5. How can I repair OBDII code C1073 related to the ABS Pump Motor Control Circuit?

Repairing OBDII code C1073 may involve replacing the faulty ABS pump motor, repairing or replacing damaged wiring or connectors, ensuring proper brake fluid levels, or addressing any issues with the ABS control module.

6. Is it possible to reset OBDII code C1073 without fixing the underlying issue?

Resetting OBDII code C1073 without addressing the underlying issue may temporarily turn off the warning light, but the problem will persist and likely trigger the code again. It is essential to fix the root cause of the code.

7. How much does it typically cost to repair OBDII code C1073?

The cost of repairing OBDII code C1073 can vary depending on the specific cause of the issue, the extent of the repairs needed, and labor costs. It is advisable to consult with a mechanic or dealership for an accurate estimate.

8. Are there any preventive maintenance tips to avoid OBDII code C1073 in the future?

To prevent OBDII code C1073, regular maintenance of the ABS system is crucial. This includes checking brake fluid levels, inspecting wiring and connectors for damage, and addressing any ABS system warnings promptly.

9. Can a DIY enthusiast fix OBDII code C1073 at home?

While some aspects of addressing OBDII code C1073 may be DIY-friendly, such as checking for loose connections or damaged wiring, more complex issues like replacing the ABS pump motor may require professional expertise. Exercise caution when attempting repairs at home.

10. Will OBDII code C1073 cause my vehicle to fail an emissions test?

OBDII code C1073 specifically relates to the ABS system and does not directly impact emissions. However, unresolved issues with the ABS system may lead to safety concerns that could potentially affect the vehicle's overall roadworthiness.

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