# C1256 on the 2013 Toyota Prius C

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 C1256

- [10198129](https://open.wenmarpro.com/bulletins/10198129), 2021-06-21: TSB: Some 2012 ? 2014 model year Prius C hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. Diagnostic Trouble Codes \(DTCs\) C1391, C1252, C1256, and/or C1253 may also be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.
- [10158575](https://open.wenmarpro.com/bulletins/10158575), 2019-04-15: TSB: Some 2011 ? 2015 model year Prius and 2012 ? 2015 model year Prius Plug\-in Hybrid vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light\(s\) are on and/or a Check VSC message displays. Diagnostic Trouble Codes \(DTCs\) C1391, C1252, C1256, and C1253 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.