Code result
P05F2
Reductant Pump Supply Voltage Circuit Stuck Off
Moderate severity
What it means
Same as P05EE with the supply stuck off - relay does not energise on command.
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 relay does not engage
highOne of the most commonly reported causes for this code — check this first.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Component wear with age - mechanical play
lowLess common, but worth ruling out after the more likely causes.
Related help
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