Code result
P20EA
Reductant Pump Control Circuit Open
Moderate severity
What it means
The control circuit to the reductant (DEF) dosing pump is open — no current flow detected. Without pump pressure no AdBlue reaches the SCR catalyst and NOx reduction stops.
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
Pump motor open
highOne of the most commonly reported causes for this code — check this first.
Connector unplugged or corroded
mediumA plausible cause — test and verify before replacing parts.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Related help
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