# NHTSA Preliminary Evaluation PE90026
> **IMPROPER SPEED CONTROL** · Opened 1989-12-12 · Closed 1990-04-09
## Investigation
- **Action number:** PE90026
- **Type:** Preliminary Evaluation
- **Open date:** 1989-12-12
- **Close date:** 1990-04-09
- **Manufacturer:** General Motors, LLC
- **Affected makes:** GMC
- **Affected components:** EQUIPMENT
- **Affected model years:** 1984, 1985, 1986, 1987, 1988
- **Affected (make, year) variants:** 5
## Summary

There is no summary currently available

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE90026)
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