Service Update
GMC technical service bulletin 17389 (Bulletin for 2017-2018 GMC Acadia, 2018 Chevrolet Traverse and 2017-2018 Cadillac XT5.
- Bulletin number
- 17389 (Bulletin
- Component
- Power train
- Summary
- 17389 - Service Update. Some vehicles were shipped with a power transfer unit (PTU) that failed leak testing. Dealers are to replace the PTU.
Owners of these vehicles have filed 634 complaints in the transmission category.
Vehicles covered
- GMC Acadia 2017-2018 20172018
- Chevrolet Traverse 2018 2018
- Cadillac XT5 2017-2018 20172018
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