Chevrolet Express 2015–2019 — technical service bulletin
Bulletin 20NA142 · NHTSA communication 10178976 · issued Jul 27, 2020
Technical service bulletin
communication type
Power Train
component
2015–2019
model years
43
vehicle entries
Official summary
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
Vehicles covered
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2017 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 4500
- 2015 Chevrolet Suburban
- 2016 Chevrolet Suburban
- 2017 Chevrolet Suburban
- 2018 Chevrolet Suburban
- 2019 Chevrolet Suburban
- 2015 GMC Savana
- 2016 GMC Savana
- 2017 GMC Savana
- 2018 GMC Savana
- 2019 GMC Savana
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2017 GMC Sierra 2500
- 2018 GMC Sierra 2500
- 2019 GMC Sierra 2500
- 2015 GMC Sierra Denali
- 2016 GMC Sierra Denali
- 2017 GMC Sierra Denali
- 2018 GMC Sierra Denali
- 2019 GMC Sierra Denali
- 2015 GMC Yukon
- 2016 GMC Yukon
- 2017 GMC Yukon
- 2018 GMC Yukon
- 2019 GMC Yukon
- 2015 GMC Yukon XL
- 2016 GMC Yukon XL
- 2017 GMC Yukon XL
- 2018 GMC Yukon XL
- 2019 GMC Yukon XL
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.