Code result

P05EE

Reductant Pump Supply Voltage Circuit Open

Moderate severity

What it means

The supply line that powers the AdBlue dosing pump is open. Without supply the pump cannot deliver reductant pressure - dosing is suspended and NOx emissions can drift out of compliance.

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

  • Supply open or relay defective

    high

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

  • Pin pushed back out of connector body

    low

    Less common, but worth ruling out after the more likely causes.

  • Cracked solder joint inside the module or sensor

    low

    Less common, but worth ruling out after the more likely causes.

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