What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P204F-00Reductant System PerformanceP204FReductant System PerformanceP204F-00Reductant System PerformanceP204FMalfunction of urea SCR SystemView all · Manufacturer wording →
Manufacturer communications
41Original wording in English
HINO
Reported code forms P204F
Supersedes TT-14-025 DX3 SCR RELATED MEMORY RESET PROCEDURE. A subject vehicle may exhibit an illuminated check engine lamp with DTC (Diagnostic Trouble Code) P204F (Malfunction of urea SCR System). The DTC P204F cannot…
JEEP
Reported code forms P204F-00
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
RAM
Reported code forms P204F-00
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
RAM
Reported code forms P204F-00
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
RAM
Reported code forms P204F-00
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
RAM
Reported code forms P204F-00
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
Check vehicle applicability
77A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | F SUPER DUTY | Year not specified |
| Ford | F-250 SD | 2016 |
| Ford | F-250 SD | 2015 |
| Ford | F-250 SD | 2014 |
| Ford | F-250 SD | 2013 |
| Ford | F-250 SD | 2012 |
| Ford | F-250 SD | 2011 |
| Ford | F-350 | 2012 |
| Ford | F-350 SD | 2016 |
| Ford | F-350 SD | 2015 |
| Ford | F-350 SD | 2014 |
| Ford | F-350 SD | 2013 |
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.