# 1999 GMC SIERRA 2500 — POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
> NHTSA complaint `197306` · 2000-02-10 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 1
- **Fire:** No
- **Crash:** Yes
- **Police report:** Yes
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** GMC
- **Model:** SIERRA 2500
- **Year:** 1999
- **Manufacturer:** General Motors, LLC
- **Component:** POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- **Speed:** 45 mph
## Narrative
THE AUTOMATIC 4 WHEEL DRIVE ACTED ERRATICALLY CAUSING THE BACK END TO BECOME LOOSE AND RESULTING IN THE CONSUMER LOOSING CONTROL OF VEHICLE, SKIDED OFF ROAD AND HIT 2 FENCE POSTS.  NLM
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*