# NHTSA Preliminary Evaluation PE89036
> **TRANSMISSION DOWNSHIFTING** · Opened 1989-01-09 · Closed 1989-01-31
## Investigation
- **Action number:** PE89036
- **Type:** Preliminary Evaluation
- **Open date:** 1989-01-09
- **Close date:** 1989-01-31
- **Manufacturer:** Chrysler (FCA US, LLC)
- **Affected makes:** CHRYSLER; DODGE; PLYMOUTH
- **Affected components:** POWER TRAIN
- **Affected model years:** 1989
- **Affected (make, year) variants:** 6
## Summary

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## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE89036)
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