# NHTSA Defect Petition DP23005
> **Brake Actuator Valve Wear** · Opened 2023-11-22 · Open
## Investigation
- **Action number:** DP23005
- **Type:** Defect Petition
- **Open date:** 2023-11-22
- **Manufacturer:** Toyota Motor Corporation
- **Affected makes:** TOYOTA
- **Affected components:** SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST
- **Affected model years:** 2010, 2011, 2012, 2013, 2014, 2015
- **Affected (make, year) variants:** 24
## Summary

The Office of Defects Investigation (ODI) has received a petition dated September 19, 2023 from the owner of a 2012 Toyota Prius V requesting that ODI reevaluate its decision to deny DP19-004. In the letter, the petitioner reported experiencing an unexpected and complete loss of brake power while driving, accompanied by multiple dashboard warning lights. This petition is based on the petitioner's direct experience and assessment that ODI closed DP19-004 because its prompting petition was withdrawn by that petitioner. ODI will review the work conducted during DP19-004 and a review of any additional related complaints and crashes via a new defect petition The petition and related materials can be reviewed at NHTSA.gov under the following ODI number:11553736.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP23005)
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