Chevrolet 3500 2016–2021 — technical service bulletin
Bulletin 20NA197 · NHTSA communication 10212562 · issued Dec 6, 2021
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2016–2021
model years
34
vehicle entries
Official summary
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.
Vehicles covered
- 2019 Chevrolet 3500
- 2020 Chevrolet 3500
- 2021 Chevrolet 3500
- 2019 Chevrolet 5500HD
- 2020 Chevrolet 5500HD
- 2021 Chevrolet 5500HD
- 2019 Chevrolet 6500
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 4500
- 2020 Chevrolet Silverado 4500
- 2021 Chevrolet Silverado 4500
- 2019 Chevrolet Silverado 6500
- 2021 Chevrolet Silverado 6500
- 2016 GMC Canyon
- 2017 GMC Canyon
- 2018 GMC Canyon
- 2019 GMC Canyon
- 2020 GMC Canyon
- 2021 GMC Canyon
- 2017 GMC Sierra 2500
- 2018 GMC Sierra 2500
- 2019 GMC Sierra 2500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2017 GMC Sierra Denali
- 2018 GMC Sierra Denali
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.