AutoCodes – Audi – P3071 Audi

P3071 Audi Code - Reservoir For Additive for Particle Filter Empty

Quick Answer

The Engine Control Module (ECM) monitors the Additive Level Sensor. Common causes include Additive Reservoir empty, Faulty Additive Level Sensor, Additive Level Sensor harness is open or shorted. 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: P3071 Audi indicates Reservoir For Additive for Particle Filter Empty.
Common causes: Common causes include Additive Reservoir empty, Faulty Additive Level Sensor, Additive Level Sensor harness is open or shorted.
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 1,766

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 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P3071 Audi Description

The Engine Control Module (ECM) monitors the Additive Level Sensor. The ECM sets the OBDII code when the Additive Level Sensor is not to factory specifications.

OBDII Code P3071 Audi - Reservoir For Additive for Particle Filter Empty - AutoCodes.com — P3071 Audi Code - Reservoir For Additive for Particle Filter Empty

What does this mean?

What are the Possible Causes of the DTC P3071 Audi?

Additive Reservoir empty
Faulty Additive Level Sensor
Additive Level Sensor harness is open or shorted
Additive Level Sensor circuit poor electrical connection

How to Fix the DTC P3071 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 P3071 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 P3071 Audi code?

Need more information on how to fix the P3071 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P3071 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 P3071 Audi Code

1. What are common symptoms of OBDII code P3071 in an Audi related to the reservoir for additive for particle filter being empty?

The common symptoms include the illumination of the check engine light, reduced engine performance, and potential issues with the emission control system.

2. What causes the OBDII code P3071 to trigger in an Audi?

The code P3071 is triggered when the control module detects that the reservoir for the additive for the particle filter is empty or there is a malfunction in the system.

3. How can I diagnose the reservoir for additive for particle filter empty issue in my Audi?

Diagnosing the issue involves checking the level of the additive in the reservoir, inspecting for any leaks or blockages in the system, and using a diagnostic scan tool to retrieve the fault codes.

4. Can I continue driving my Audi with the reservoir for additive for particle filter empty?

It is not recommended to continue driving with the reservoir empty as it can lead to increased emissions, reduced engine performance, and potential damage to the particle filter.

5. What is the repair process for addressing OBDII code P3071 in an Audi?

The repair process typically involves refilling the reservoir with the correct additive, addressing any leaks or blockages in the system, and resetting the fault codes with a diagnostic tool.

6. How often should the reservoir for additive for the particle filter be checked in an Audi?

It is recommended to check the level of the additive in the reservoir during regular maintenance intervals or whenever the check engine light related to emissions system issues illuminates.

7. Can a DIY enthusiast address the reservoir for additive for particle filter empty issue in an Audi?

While refilling the reservoir may be a DIY task, diagnosing and repairing underlying issues related to the system may require professional tools and expertise.

8. What are the potential risks of ignoring the OBDII code P3071 in an Audi?

Ignoring the code can lead to increased emissions, potential damage to the particle filter, and ultimately, a decline in engine performance and fuel efficiency.

9. Is it necessary to replace the particle filter when encountering the OBDII code P3071 in an Audi?

In some cases, if the issue persists and damages the particle filter, it may be necessary to replace it. However, addressing the root cause of the problem early can often prevent this costly repair.

10. Are there any preventive measures to avoid the reservoir for additive for particle filter empty issue in an Audi?

Regularly checking and maintaining the level of additive in the reservoir, following the manufacturer's recommended service intervals, and addressing any warning lights promptly can help prevent this issue.