Chevrolet 4500XD 2016–2023 — technical service bulletin

Bulletin 22-NA-167 · NHTSA communication 10219272 · issued Aug 15, 2022

Technical service bulletin

communication type

Equipment

component

2016–2023

model years

vehicle entries

Official summary

This informational bulletin provides information on Light and Medium Duty Truck Product Identification and Warranty Summary Chevrolet/GMC Dealers.

Vehicles covered

2017 Chevrolet 4500XD
2018 Chevrolet 4500XD
2019 Chevrolet 4500XD
2020 Chevrolet 4500XD
2021 Chevrolet 4500XD
2022 Chevrolet 4500XD
2019 Chevrolet 5500XD
2020 Chevrolet 5500XD
2021 Chevrolet 5500XD
2022 Chevrolet 5500XD
2019 Chevrolet 6500
2019 Chevrolet Duplicate Silverado 5500
2017 Chevrolet Express
2018 Chevrolet Express
2019 Chevrolet Express
2020 Chevrolet Express
2021 Chevrolet Express
2022 Chevrolet Express
2016 Chevrolet Low Cab Forward 3500
2017 Chevrolet Low Cab Forward 3500
2018 Chevrolet Low Cab Forward 3500
2019 Chevrolet Low Cab Forward 3500
2016 Chevrolet Low Cab Forward 4500
2017 Chevrolet Low Cab Forward 4500
2016 Chevrolet Low Cab Forward 5500
2017 Chevrolet Low Cab Forward 5500
2018 Chevrolet Low Cab Forward 6500
2019 Chevrolet Silverado 4500
2020 Chevrolet Silverado 4500
2021 Chevrolet Silverado 4500
2022 Chevrolet Silverado 4500
2023 Chevrolet Silverado 4500
2019 Chevrolet Silverado 5500
2020 Chevrolet Silverado 5500
2021 Chevrolet Silverado 5500
2023 Chevrolet Silverado 5500
2019 Chevrolet Silverado 6500
2021 Chevrolet Silverado 6500
2022 Chevrolet Silverado 6500
2023 Chevrolet Silverado 6500

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.