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
For P204F, DaVinci Deluxe 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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