Code result
P20A1
Reductant Purge Control Valve A Performance
Moderate severity
What it means
Reductant purge control valve A is electrically OK but does not vent the line within the expected time — partial blockage or weakened solenoid.
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
Partial blockage from crystallisation
highOne of the most commonly reported causes for this code — check this first.
Related help
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