AutoCodes – Audi – P2003 Audi

P2003 Audi Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

Quick Answer

The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. Common causes include Faulty, damaged or clogged Diesel Particulate Filter (DPF), Dirty air cleaner element. 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: P2003 Audi indicates Diesel Particulate Filter Efficiency Below Threshold Bank 2.
Common causes: Common causes include Faulty, damaged or clogged Diesel Particulate Filter (DPF), Dirty air cleaner element.
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 2,233

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 27, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P2003 Audi Description

The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. The monitor compares the calculated restriction of the DPF to two thresholds. By exceeding the first threshold for a sufficient period of time, a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time, a wrench light and a MIL will be illuminated and engine output will be limited and EGR is disabled.

OBDII Code P2003 Audi - Diesel Particulate Filter Efficiency Below Threshold Bank 2 - AutoCodes.com — P2003 Audi Code - Diesel Particulate Filter Efficiency Below Threshold Bank 2

What does this mean?

What are the Possible Causes of the DTC P2003 Audi?

Faulty, damaged or clogged Diesel Particulate Filter (DPF)
Dirty air cleaner element

How to Fix the DTC P2003 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 does this mean?

Code Tech Notes

To resolve this, you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2003 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.

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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 P2003 Audi Code

1. What are the common symptoms of OBDII code P2003 on an Audi related to the Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- Common symptoms include reduced engine performance, increased fuel consumption, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P2003 on an Audi indicating Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- Possible causes can include a clogged diesel particulate filter, faulty exhaust temperature sensors, issues with the fuel system, or a malfunctioning engine control module.

3. How can I diagnose OBDII code P2003 on my Audi related to the Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- Diagnosing this code typically involves scanning the vehicle's onboard computer for error codes, inspecting the diesel particulate filter for clogs, and testing the exhaust temperature sensors.

4. What are the repair options for OBDII code P2003 on an Audi with Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- Repair options may include cleaning or replacing the diesel particulate filter, replacing faulty sensors, addressing any fuel system issues, and resetting the error codes.

5. Can I continue driving my Audi with OBDII code P2003 indicating Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- It is not recommended to continue driving with this code as it can lead to further damage to the engine and emissions system. It is best to address the issue promptly.

6. How much does it typically cost to repair OBDII code P2003 on an Audi for Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Are there any maintenance tips to prevent OBDII code P2003 on an Audi related to Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- Maintaining regular service intervals, using high-quality diesel fuel, and avoiding short trips that don't allow the diesel particulate filter to regenerate fully can help prevent this issue.

8. Can a DIY enthusiast fix OBDII code P2003 on an Audi with Diesel Particulate Filter Efficiency Below Threshold Bank 2?

- While some aspects of diagnosing and repairing this code may be DIY-friendly, dealing with the emissions system and sensors may require specialized tools and expertise best left to professionals.