Code result
P201F
Reductant Pump A Stuck On
Moderate severity
What it means
Reductant Pump A Stuck On: the actuator is stuck in the on position.
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 relay contacts welded
highOne of the most commonly reported causes for this code — check this first.
Pump driver line shorted to B+
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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