# NHTSA Defect Petition DP99001
> **BRAKING SYSTEM** · Opened 1999-01-06 · Closed 1999-02-08
## Investigation
- **Action number:** DP99001
- **Type:** Defect Petition
- **Open date:** 1999-01-06
- **Close date:** 1999-02-08
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CADILLAC
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1987, 1988, 1989, 1990, 1991, 1992
- **Affected (make, year) variants:** 6
## Summary

THE PETITIONER ALLEGE TOTAL LOSS OF ALL BRAKING ABILITY WITHOUT WARNING

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP99001)
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