Cadillac CT5 2014–2024 — technical service bulletin

Bulletin 20-NA-038 · NHTSA communication 11006377 · issued Jul 23, 2024

Technical service bulletin

communication type

Fuel/propulsion System

component

2014–2024

model years

vehicle entries

Official summary

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

Vehicles covered

2022 Cadillac CT5
2023 Cadillac CT5
2024 Cadillac CT5
2019 Cadillac CT6
2020 Cadillac CT6
2016 Cadillac CTS
2017 Cadillac CTS
2018 Cadillac CTS
2019 Cadillac CTS
2016 Cadillac CTS-V
2018 Cadillac CTS-V
2015 Cadillac Escalade
2016 Cadillac Escalade
2017 Cadillac Escalade
2018 Cadillac Escalade
2019 Cadillac Escalade
2020 Cadillac Escalade
2021 Cadillac Escalade
2022 Cadillac Escalade
2023 Cadillac Escalade
2024 Cadillac Escalade
2015 Cadillac Escalade Esv
2016 Cadillac Escalade Esv
2017 Cadillac Escalade Esv
2018 Cadillac Escalade Esv
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2021 Cadillac Escalade Esv
2022 Cadillac Escalade Esv
2023 Cadillac Escalade Esv
2020 Chevrolet 3500
2021 Chevrolet 3500
2022 Chevrolet 3500
2024 Chevrolet 3500HD
2020 Chevrolet 4500
2022 Chevrolet 4500
2020 Chevrolet 4500HD
2021 Chevrolet 4500HD
2022 Chevrolet 4500HD
2023 Chevrolet 4500HD
2020 Chevrolet 4500XD
2021 Chevrolet 4500XD
2022 Chevrolet 4500XD
2016 Chevrolet Camaro
2017 Chevrolet Camaro
2018 Chevrolet Camaro
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 Chevrolet Camaro
2022 Chevrolet Camaro
2023 Chevrolet Camaro
2024 Chevrolet Camaro
2014 Chevrolet Corvette
2015 Chevrolet Corvette
2016 Chevrolet Corvette
2017 Chevrolet Corvette
2018 Chevrolet Corvette
2019 Chevrolet Corvette
2020 Chevrolet Corvette
2021 Chevrolet Corvette

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.