Code result

P065D

Reductant System Malfunction Lamp Control Circuit

Moderate severity

What it means

A circuit fault on the AdBlue malfunction warning lamp output - regulatory in many regions to alert the driver of NOx aftertreatment problems.

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

  • Open in lamp or wiring

    high

    One of the most commonly reported causes for this code — check this first.

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