AutoCodes – Acura – C0023 Acura

C0023 Acura Code - Brake Diagnosis Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Brake Light Relay. Common causes include Faulty Brake Light Relay, Brake Light Relay harness is open or shorted, Brake Light Relay 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: C0023 Acura indicates Brake Diagnosis Circuit Failure.
Common causes: Common causes include Faulty Brake Light Relay, Brake Light Relay harness is open or shorted, Brake Light Relay 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 1,966

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0023 Acura Description

The Anti-Lock Brake System (ABS) Module monitors the Brake Light Relay. The ABS Module sets the OBDII code when the Brake Light Relay is not to factory specifications.

OBDII Code C0023 Acura - Brake Diagnosis Circuit Failure - AutoCodes.com — C0023 Acura Code - Brake Diagnosis Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C0023 Acura?

Faulty Brake Light Relay
Brake Light Relay harness is open or shorted
Brake Light Relay circuit poor electrical connection

How to Fix the DTC C0023 Acura?

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 C0023 Acura 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 C0023 Acura 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 C0023 Acura Code

1. What are the common symptoms of OBDII code C0023 in an Acura related to brake diagnosis circuit failure?

The common symptoms 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 C0023 indicating brake diagnosis circuit failure in an Acura?

Possible causes include damaged wiring or connectors in the brake system circuit, a malfunctioning brake control module, or a faulty wheel speed sensor.

3. How can I diagnose the OBDII code C0023 in my Acura related to brake diagnosis circuit failure?

Diagnosing this code typically involves conducting a thorough inspection of the brake system wiring, connectors, and components, as well as testing the brake control module and wheel speed sensors for proper functionality.

4. Is it safe to drive my Acura with OBDII code C0023 indicating brake diagnosis circuit failure?

It is not recommended to drive the vehicle with this code present, as it could lead to potential safety issues related to the braking system and ABS functionality.

5. How can I repair OBDII code C0023 related to brake diagnosis circuit failure in my Acura?

Repairing this code may involve repairing or replacing damaged wiring or connectors, replacing a faulty brake control module or wheel speed sensor, and clearing the code with a diagnostic tool.

6. Can I reset the OBDII code C0023 in my Acura related to brake diagnosis circuit failure without fixing the underlying issue?

While you can clear the code temporarily, it will likely reappear if the root cause of the brake diagnosis circuit failure is not addressed.

7. Will OBDII code C0023 in my Acura cause the vehicle to fail an emissions test?

This code is related to the brake system and is unlikely to cause the vehicle to fail an emissions test, but it should still be addressed promptly for safety reasons.

8. How much does it typically cost to repair OBDII code C0023 indicating brake diagnosis circuit failure in an Acura?

The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

9. Can a DIY enthusiast with some mechanical knowledge repair OBDII code C0023 related to brake diagnosis circuit failure in an Acura?

While some basic troubleshooting and repairs can be done by a DIY enthusiast, diagnosing and repairing complex brake system issues like this code may require professional expertise and specialized tools.

10. How often does OBDII code C0023 occur in Acura vehicles, and is it a common issue?

While the frequency of this specific code may vary, brake system-related codes like C0023 can occur in Acura vehicles due to various factors such as age, mileage, and driving conditions. Regular maintenance and inspections can help prevent such issues.