P2585 - OBD Trouble Code

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OBD error code P2585 is a generic error code. Now you must be wondering what does this term generic code means. Generic codes are the codes that apply to all makes and models.So, what is this OBD error code P2585 about? This error code indicates that there is some issue with your vehicle’s fuel additive control module warning lamp. If you wish to know more about this error code you will need to go through the subsequent sections.

OBD-II Code DEF is too low is defined as a Fuel Additive Control Module Warning Lamp Request

Let’s try to understand this error code P2585 in a common layman language. The error code P2585 relates to your vehicle’s DEF fluid being low. Powertrain control module will set this error code when it detects low DEF fluid. In other words, OBD error code P2585 fuel additive control module warning lamp request stands for DEF too low.

What causes this problem with the Fuel Additive Control Module Warning Lamp Request?

• Fuel additive tank being top off
• Inoperative fuel additive sensor
• Malfunction fuel additive sensor
• Malfunction fuel additive control module
• Open or shorted related wires
• Poor electrical connections

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3. PCM - Powertrain Control Module of your car is also known as the car’s brain. It is extremely essential to keep your vehicle’s PCM in good shape to avoid any sort of performance issues with your car. If you need one to get rid of this OBD error code P2585 then you can easily find one with us and that too at the most economical prices.
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5. Connectors - Chances of connectors being damaged is quite high, as they are continually exposed to harsh conditions. If you need new ones to get rid of this error code P2585 then you can find one with us at PartsAvatar.

It is vital to know the symptoms of an issue as only then you would be able to solve the problem. So that’s why we have listed out some major symptoms of OBD Code P2585 here:

Common Symptoms

• Fall in fuel economy
• Bad acceleration
• Shifting harshness
• Rough engine running
• Rough engine idle
• Few drivability issues
• Illumination of the check engine light (possible)
• Storing of related trouble codes

Want to correct the Trouble Code P2585? Read these points mentioned below:

• Repair or replace the bad fuel additive sensor
• Repair or replace the bad fuel additive control module
• Fix or repair the open or shorted fuel additive control module harness
• Repair all the poor electrical connections

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It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P2585 code to be stored:

• To begin with diagnosing this OBD error code P2585, you will need a few tools and equipment such as OBD-II scanner, digital volt/ohmmeter.
• Start by visually inspecting all the related wiring and connectors and make sure to replace or repair all the damaged, corroded, shorted or disconnected wiring, connectors and components.
• Make sure to retest the system after you are done with all these repairs to check if you have accomplished your goal.
• In case the system wiring, connectors and components are working in order, then next step is to connect the OBD-II scanner to the diagnostic port of your vehicle and record all the stored codes, also remember to freeze the data.
• This information is going to be of great help to you to diagnose any intermittent condition that led to this error code.
• Now, continue your diagnosis by clearing the codes and test driving the vehicle to check if the code returns.
• In situations where the code fails to return, the intermittent condition may persist. These codes are difficult to diagnose and might need you to hire a technician to help you out.

Common Mistakes When Diagnosing the P2585 Code

• In order to avoid any misdiagnosis, make sure to check for the DEF fluid level.