Service update
Chevrolet technical service bulletin 14876 for 2015 Chevrolet Corvette, 2015 GMC Yukon and 2015 Chevrolet Silverado 2500 and others.
- Bulletin number
- 14876
- Component
- Power train: automatic transmission
- Summary
- 14876 - service update. On certain vehicles equipped with 8-speed automatic transmission (m5u), the customer may complain about harsh shifting. This can occur if the vehicle experienced multiple transmission reprogramming events during manufacturing, causing the calibration to over-adjust the shift parameters. This bulletin provides a service adaptive learn procedure that should be run to reset the calibration to the baseline parameters.
Owners of these vehicles have filed 162 complaints in the transmission category.
Vehicles covered
- Chevrolet Corvette 2015 2015
- GMC Yukon 2015 2015
- Chevrolet Silverado 2500 2015 2015
- GMC Yukon XL 2015 2015
- GMC Sierra 2500 2015 2015
- Cadillac Escalade 2015 2015
- Chevrolet Silverado 3500 2015 2015
- GMC Sierra 3500 2015 2015
- Cadillac Escalade ESV 2015 2015
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Corvette?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history