P204F
Reductant System Performance
System: AdBlue/SCR
Severity: medium
What does P204F mean?
The DTC P204F (Reductant System Performance) is a fault code stored by the ECU when it detects a AdBlue performance condition in the adblue/scr subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P204F
- Bad NOx sensor
- AdBlue pump failure
- Crystallized injector
How to fix P204F
Check NOx, pump, injector. DaVinci AdBlue Off available.
Tuning approach with DaVinci Deluxe · Cloud Edition
For P204F, DaVinci Deluxe · Cloud Edition offers the following ECU map adjustments and software solutions:
- AdBlue/SCR Off
- NOx sensor disable
Need to fix P204F on your ECU?
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