# U2101 on the 2023 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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name U2101

- [10237586](https://open.wenmarpro.com/bulletins/10237586), 2023-06-08: Some 2023 F\-Super Duty vehicles equipped with SYNC 4 may experience programming errors after a replacement of the body control module \(BCM\) for various concerns. After programmable module installation \(PMI\) of the new BCM, diagnostic trouble codes \(DTC\) U2100:00, U2101:00 and/or U211B:87 may be present. Download and run the Ford Diagnosis and Repair System \(FDRS\) application titled Trusted Real\-Time Operation Network \(TRON\) Module Authentication, and perform the TRON Diagnosis and Repair and Reset ECU on CAN BUS routines. Once both TRON routines have been completed, re\-run the BCM PMI application. Verify that all BCM DTCs have cleared. Service procedures are being updated to improve this process. Monitor OASIS for updates.
- [10236687](https://open.wenmarpro.com/bulletins/10236687), 2023-05-31: Some 2023 F\-Super Duty vehicles equipped with SYNC 4 may require a replacement of the body control module \(BCM\) for various concerns. After programmable module installation \(PMI\) of the new BCM, diagnostic trouble codes \(DTC\) U2100:00, U2101:00 and/or U211B:87 may be present. Download and run the Ford Diagnosis and Repair System \(FDRS\) application titled Trusted Real\-Time Operation Network \(TRON\) Module Authentication, and perform the TRON Diagnosis and Repair and Reset ECU on CAN BUS routines. Once both TRON routines have been completed, re\-run the BCM PMI application. Verify that all BCM DTCs have cleared. Service procedures are being updated to improve this process. Monitor OASIS for updates.