AutoCodes – Audi – P2584 Audi

P2584 Audi Code - Fuel Additive Control Module Requested MIL Illumination

Quick Answer

The main purpose of the Fuel Additive Control Module is to calculate the required amount of fuel additive and control the time of injection into the fuel tank. Common causes include Top Off Fuel Additive Tank, Faulty Fuel Additive Sensor, Faulty Fuel Additive 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: P2584 Audi indicates Fuel Additive Control Module Requested MIL Illumination.
Common causes: Common causes include Top Off Fuel Additive Tank, Faulty Fuel Additive Sensor, Faulty Fuel Additive 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.

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Code Popularity 2,009

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 Jan 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2584 Audi Description

The main purpose of the Fuel Additive Control Module is to calculate the required amount of fuel additive and control the time of injection into the fuel tank. It also stores Diagnostic Trouble Codes (DTC) for the fuel additive system. In addition to the already mentioned operation of the fuel additive system module, the instrument cluster will receive a command from the fuel additive system module to illuminate the Malfunction Indicator Lamp (MIL) or the Powertrain Control Module (PCM) warning indicator if there are concerns with the additive system or if the fuel additive tank requires refilling. The PCM will set the OBDII code when Fuel Additive Control Module request the MIL to illuminate.

OBDII Code P2584 Audi - Fuel Additive Control Module Requested MIL Illumination - AutoCodes.com — P2584 Audi Code - Fuel Additive Control Module Requested MIL Illumination

What does this mean?

What are the Possible Causes of the DTC P2584 Audi?

Top Off Fuel Additive Tank
Faulty Fuel Additive Sensor
Faulty Fuel Additive Control Module
Fuel Additive Control Module harness is open or shorted
Fuel Additive Control Module circuit poor electrical connection

How to Fix the DTC P2584 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 P2584 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 P2584 Audi Code

1. What are the common symptoms of OBDII code P2584 in an Audi?

- Common symptoms include the check engine light being illuminated, reduced engine performance, and potential issues with the fuel additive system.

2. What does the OBDII code P2584 in an Audi indicate?

- This code indicates a problem with the Fuel Additive Control Module Requested MIL Illumination, related to the fuel additive control system.

3. What are the possible causes of OBDII code P2584 in an Audi?

- Possible causes include a faulty fuel additive control module, wiring issues, a defective fuel additive system sensor, or a software-related problem.

4. How can I diagnose the OBDII code P2584 in my Audi?

- Diagnosing this code typically involves using an OBDII scanner to retrieve the code, checking the fuel additive system components, inspecting wiring for damage, and testing the fuel additive control module.

5. Can I still drive my Audi with OBDII code P2584?

- It is not recommended to drive your Audi with this code illuminated, as it may lead to reduced engine performance and potential damage to the fuel additive system.

6. How serious is OBDII code P2584 in an Audi?

- While it may not cause immediate harm to your Audi, ignoring this code can lead to issues with the fuel additive system and a decrease in engine performance over time.

7. What are some repair tips for fixing OBDII code P2584 in an Audi?

- Repair tips include checking and replacing the fuel additive control module, inspecting and repairing any damaged wiring, and ensuring proper functioning of the fuel additive system components.

8. Can I reset the OBDII code P2584 in my Audi without fixing the issue?

- While you can clear the code with an OBDII scanner, it is recommended to address the underlying issue causing the code to prevent further problems.

9. How much does it cost to repair OBDII code P2584 in an Audi?

- Repair costs can vary depending on the specific cause of the code, but it may involve replacing the fuel additive control module, repairing wiring, or addressing sensor issues.

10. How can I prevent OBDII code P2584 from reoccurring in my Audi?

- Regular maintenance, such as checking the fuel additive system components, keeping the system clean, and promptly addressing any related issues, can help prevent the reoccurrence of this code.