# 2017 GMC SIERRA 1500 — SERVICE BRAKES
> NHTSA complaint `1546318` · 2019-03-07 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** GMC
- **Model:** SIERRA 1500
- **Year:** 2017
- **Manufacturer:** General Motors, LLC
- **Component:** SERVICE BRAKES
- **Miles at failure:** 50,000
- **Speed:** 55 mph
## Narrative
FAULTY BRAKE VACUUM PUMP LEADING TO REDUCED BRAKING FORCE UNDER REPEATED USE OR IN A PANNIC SITUATION LEADING TO A COLLISION. I HIT A DEER BECAUSE I WAS UNABLE STOP OR SUFFICIENTLY SLOW DOWN TO AVOID HITTING IT. I NOTICED REDUCED BRAKING FORCE AND A HARD BRAKE PEDAL. I HAVE READ OF SEVERAL REPORTS ON THE INTERNET INVOLVING THIS ISSUE
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*