18169
Chevrolet technical service bulletin 18169 for 2018 Chevrolet Tahoe, 2018 GMC Yukon and 2018 GMC Yukon XL and others.
- Bulletin number
- 18169
- Component
- Power train
- Summary
- 18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine (RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.
Owners of these vehicles have filed 50 complaints in the transmission category.
Vehicles covered
- Chevrolet Tahoe 2018 2018
- GMC Yukon 2018 2018
- GMC Yukon XL 2018 2018
- Cadillac Escalade 2018 2018
- GMC Yukon Denali 2018 2018
- GMC Yukon Denali XL 2018 2018
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