P20FB
Reductant Pump B Control Performance/Stuck Off
P20FB is an OBD-II diagnostic trouble code meaning: Reductant Pump B Control Performance/Stuck Off. Common causes: reagent pump jammed, open or short circuit in the pump circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- SCR System Error Message
- Increased NOx emissions
Causes
- Reagent pump jammed
- Open or short circuit in the pump circuit
- Faulty relay or pump control unit
- Pump is dirty or clogged
- Low level or poor quality reagent
How to Fix
- Check the level and quality of the reagent (AdBlue)
- Diagnose the electrical circuit of the pump
- Check the functionality of the reagent pump
- Clean or replace the pump if necessary
- Reset the error code and check the system
Related codes
Error P20FB by Vehicle Brand
FAQ
What does the P20FB code mean?
P20FB is an OBD-II diagnostic trouble code that indicates: Reductant Pump B Control Performance/Stuck Off
What causes a P20FB error code?
The most common causes of P20FB include: Reagent pump jammed; Open or short circuit in the pump circuit; Faulty relay or pump control unit; Pump is dirty or clogged.
How do I fix a P20FB diagnostic trouble code?
To fix P20FB: Check the level and quality of the reagent (AdBlue). Diagnose the electrical circuit of the pump. Check the functionality of the reagent pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20FB?
Yes, but get it checked soon
How much does it cost to fix P20FB?
The estimated repair cost for P20FB is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat