Code result
P249D
Closed Loop Reductant Injection Control At Limit Flow Too Low
Moderate severity
What it means
With reductant injection running closed-loop the controller drives the dosing valve to maximum opening but cannot reach the required AdBlue flow.
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
Reductant pump pressure low
highOne of the most commonly reported causes for this code — check this first.
Related help
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