P201F

Reductant Pump A Stuck On

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
SCR system error message on instrument panel
Increased consumption of AdBlue reagent
Reduced engine power (in some cases)
Unusual noises from the AdBlue pump area

Causes

Mechanical jamming of the reagent pump
Faulty relay or pump control circuit
Problems with the pump wiring harness
SCR control module malfunction
Corrosion or contamination of the pump

How to Fix

Check the condition of the reagent pump for mechanical damage
Check the electrical circuit and connections of the pump
Test the operation of the pump relay
If necessary, replace the reagent pump
Reset the error and check the system operation

Related codes

P201E P2020 P20BD