P20FF
Reductant Control Module Performance
P20FF is an OBD-II diagnostic trouble code meaning: Reductant Control Module Performance. Common causes: reducer control module malfunction, clogged urea injection nozzle. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased AdBlue urea consumption
- SCR error message appears
- Unstable engine idling
Causes
- Reducer control module malfunction
- Clogged urea injection nozzle
- Problems with module wiring or connectors
- Poor quality or freezing of the AdBlue reductant
- Failures in the control unit software
How to Fix
- Diagnostics of the reducer control module
- Checking and cleaning the urea injection nozzle
- Testing electrical wiring and connectors
- Replacing low-quality or frozen AdBlue
- Engine control unit software update
Related codes
Error P20FF by Vehicle Brand
FAQ
What does the P20FF code mean?
P20FF is an OBD-II diagnostic trouble code that indicates: Reductant Control Module Performance
What causes a P20FF error code?
The most common causes of P20FF include: Reducer control module malfunction; Clogged urea injection nozzle; Problems with module wiring or connectors; Poor quality or freezing of the AdBlue reductant.
How do I fix a P20FF diagnostic trouble code?
To fix P20FF: Diagnostics of the reducer control module. Checking and cleaning the urea injection nozzle. Testing electrical wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20FF?
Limited driving only, diagnose soon
How much does it cost to fix P20FF?
The estimated repair cost for P20FF is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat