# U0121 on the 1984 Volvo B10M

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 U0121

- [10215277](https://open.wenmarpro.com/bulletins/10215277), 2022-07-05: DTC U012100 \- Lost Communication With Anti\-Lock Brake System \(ABS\) Control Module, No Additional Information