AutoCodes – Audi – P023A Audi

P023A Audi Code - Charge Air Cooler Coolant Pump Control Circuit/Open

Quick Answer

The Powertrain Control Module (PCM) monitors the Charge Air Cooler Coolant Pump function. Common causes include Faulty Charge Air Cooler Coolant Pump, Charge Air Cooler Coolant Pump harness is open or shorted, Charge Air Cooler Coolant Pump 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: P023A Audi indicates Charge Air Cooler Coolant Pump Control Circuit/Open.
Common causes: Common causes include Faulty Charge Air Cooler Coolant Pump, Charge Air Cooler Coolant Pump harness is open or shorted, Charge Air Cooler Coolant Pump 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 6,517

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 Apr 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P023A Audi Description

The Powertrain Control Module (PCM) monitors the Charge Air Cooler Coolant Pump function. The PCM sets the OBDII code when the Charge Air Cooler Coolant Pump is out of factory specifications.

OBDII Code P023A Audi - Charge Air Cooler Coolant Pump Control Circuit/Open - AutoCodes.com — P023A Audi Code - Charge Air Cooler Coolant Pump Control Circuit/Open

What does this mean?

What are the Possible Causes of the DTC P023A Audi?

Faulty Charge Air Cooler Coolant Pump
Charge Air Cooler Coolant Pump harness is open or shorted
Charge Air Cooler Coolant Pump circuit poor electrical connection

How to Fix the DTC P023A Audi?

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 P023A Audi 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 P023A Audi code?

Need more information on how to fix the P023A Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P023A Audi code diagnosed by a professional: Find a repair shop in your area

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 P023A Audi Code

1. What are common symptoms of OBDII code P023A in an Audi related to the Charge Air Cooler Coolant Pump Control Circuit/Open?

Symptoms may include engine overheating, reduced engine performance, and the illumination of the check engine light on the dashboard.

2. What are possible causes of OBDII code P023A in an Audi?

Potential causes include a faulty charge air cooler coolant pump, damaged wiring or connectors in the control circuit, or issues with the engine control module.

3. How can I diagnose the issue causing OBDII code P023A in my Audi?

You can use a diagnostic scanner to read the code and perform a visual inspection of the charge air cooler coolant pump, wiring, and connectors. Testing the pump's functionality and checking for any loose connections is also recommended.

4. Can I continue driving my Audi with OBDII code P023A present?

It is not advisable to continue driving the vehicle with this code active, as it can lead to further damage to the engine and components. It's best to address the issue promptly.

5. How can I repair OBDII code P023A related to the Charge Air Cooler Coolant Pump Control Circuit/Open in my Audi?

Repair options may include replacing the charge air cooler coolant pump, repairing or replacing damaged wiring or connectors, and resetting the fault code after the repair is completed.

6. Is it possible to clear the OBDII code P023A in my Audi without fixing the issue?

While you can clear the code temporarily, the underlying problem causing the fault will persist. It's essential to address the root cause to prevent future issues.

7. Can a DIY enthusiast fix OBDII code P023A in an Audi at home?

Depending on your skill level and access to tools, you may be able to diagnose and repair the issue at home. However, complex electrical problems may require professional assistance.

8. Are there any preventive maintenance tips to avoid OBDII code P023A in an Audi?

Regularly inspecting the charge air cooler coolant pump, checking for leaks in the system, and ensuring proper maintenance of the cooling system can help prevent this issue.

9. How long does it typically take to repair OBDII code P023A in an Audi?

The repair time can vary depending on the exact cause of the code and the availability of parts. In general, it may take a few hours to a day to complete the repair.

10. Is OBDII code P023A specific to Audi vehicles, or can it occur in other car brands?

While this code is commonly associated with Audi vehicles, similar issues related to charge air cooler coolant pump control circuits can occur in other car brands as well.