Code result
P2585
Fuel Additive Control Module Warning Lamp Request
Moderate severity
What it means
The fuel additive control module asks for the additive-low warning lamp to be illuminated — the additive tank (Eolys/Cerine, used to lower DPF regen temperature) is approaching empty or has reached a service threshold. Continued driving without refilling will eventually disable DPF regeneration.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Additive tank low — service refill required
highOne of the most commonly reported causes for this code — check this first.
Related help
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