OBD Guide

P2585

Fuel Additive Control Module Warning Lamp Request

P2585 is an OBD-II diagnostic trouble code meaning: Fuel Additive Control Module Warning Lamp Request. Common causes: malfunction of the fuel additive control module, problems with wiring or contacts. Estimated repair cost: $44–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$44–167 (est.)

Symptoms

  • Check engine light is on
  • Reduced engine power
  • Increased fuel consumption
  • Uneven engine operation

Causes

  • Malfunction of the fuel additive control module
  • Problems with wiring or contacts
  • System sensor malfunction
  • Low fuel additive level
  • Module software error

How to Fix

  1. Check fuel additive level
  2. Check the wiring and contacts of the module
  3. Scan the system for additional errors
  4. Replacing the fuel additive control module if necessary
  5. Reset error and recheck

Related codes

Error P2585 by Vehicle Brand

FAQ

What does the P2585 code mean?

P2585 is an OBD-II diagnostic trouble code that indicates: Fuel Additive Control Module Warning Lamp Request

What causes a P2585 error code?

The most common causes of P2585 include: Malfunction of the fuel additive control module; Problems with wiring or contacts; System sensor malfunction; Low fuel additive level.

How do I fix a P2585 diagnostic trouble code?

To fix P2585: Check fuel additive level. Check the wiring and contacts of the module. Scan the system for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2585?

Yes, but get it checked soon

How much does it cost to fix P2585?

The estimated repair cost for P2585 is $44–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat