# P203B on the 2025 Ford F\-650

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P203B

- [11006773](https://open.wenmarpro.com/bulletins/11006773), 2024-09-02: Some 2024\-2025 F\-650/F\-750 vehicles built on or before 22\-Jul\-2024 and equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp \(MIL\) with diagnostic trouble codes \(DTC\) P203B, P206B, and/or P2201:92 stored in the powertrain control module \(PCM\). This may be due to the software in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM using the latest software level of the Ford Diagnosis and Repair System \(FDRS\) scan tool.