Code result
P20FE
Reductant Metering Unit 1 Performance
High severity
What it means
The first DEF metering unit (the integrated module that combines pump, filter, level sensor, and dosing valve) is electrically OK but does not deliver the expected pressure or flow during operation.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Metering unit aged or partially clogged
highOne of the most commonly reported causes for this code — check this first.
Related help
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