AutoCodes – Volvo – P2585 Volvo

P2585 Volvo Code - Fuel Additive Control Module Warning Lamp Request

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
P2585 Volvo indicates Fuel Additive Control Module Warning Lamp Request.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 26,293
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 19, 2019
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Code P2585 Volvo 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 warning to illuminate.
OBDII Code P2585 Volvo - Fuel Additive Control Module Warning Lamp Request - AutoCodes.com
P2585 Volvo Code - Fuel Additive Control Module Warning Lamp Request

What are the Possible Causes of the DTC P2585 Volvo?

  • 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 P2585 Volvo?

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 P2585 Volvo 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 P2585 Volvo code?

Need more information on how to fix the P2585 Volvo code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2585 Volvo 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 P2585 Volvo Code

1. What are the common symptoms of OBDII code P2585 in a Volvo related to the Fuel Additive Control Module Warning Lamp Request?

- The most common symptom is the illumination of the warning lamp associated with the fuel additive control module.

2. What are the possible causes of OBDII code P2585 in a Volvo?

- The code is often triggered by a faulty fuel additive control module, wiring issues, or a malfunction in the control module communication.

3. How can I diagnose the OBDII code P2585 in my Volvo?

- Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault code and then conducting further testing to pinpoint the exact cause.

4. Can I continue driving my Volvo with the P2585 code illuminated?

- It is generally safe to drive the vehicle when the warning lamp is on, but it is recommended to address the issue promptly to prevent potential long-term damage.

5. Are there any DIY repair tips for fixing OBDII code P2585 in a Volvo?

- DIY repairs for this code may include checking and repairing any damaged wiring, ensuring proper connections to the fuel additive control module, or replacing the module if necessary.

6. How much does it typically cost to repair OBDII code P2585 in a Volvo?

- The repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

7. Can resetting the OBDII code P2585 in a Volvo make the warning lamp go away permanently?

- Resetting the code may temporarily turn off the warning lamp, but if the underlying issue is not fixed, the code is likely to reappear, causing the lamp to illuminate again.

8. Is OBDII code P2585 in a Volvo a serious issue that requires immediate attention?

- While the code may not cause immediate vehicle breakdown, it is still important to address it promptly to prevent any potential adverse effects on the vehicle's performance and emissions.

9. Will driving with the OBDII code P2585 in a Volvo affect fuel efficiency?

- In some cases, driving with this code may lead to reduced fuel efficiency due to improper fuel additive control, so it is advisable to address the issue to maintain optimal performance.

10. Can a mechanic easily fix OBDII code P2585 in a Volvo, or does it require specialized knowledge?

- Fixing this code may require some level of expertise and access to diagnostic tools, so it is recommended to consult a qualified mechanic for proper diagnosis and repair.

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