Cadillac CTS 2019–2023 — technical service bulletin

Bulletin 19-NA-218 · NHTSA communication 10237842 · issued Jun 1, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2019–2023

model years

vehicle entries

Official summary

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

Vehicles covered

2019 Cadillac CTS
2019 Cadillac Escalade
2020 Cadillac Escalade
2021 Cadillac Escalade
2022 Cadillac Escalade
2023 Cadillac Escalade
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2021 Cadillac Escalade Esv
2022 Cadillac Escalade Esv
2023 Cadillac Escalade Esv
2021 Cadillac Escalade NA
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 Chevrolet Camaro
2022 Chevrolet Camaro
2023 Chevrolet Camaro
2019 Chevrolet Corvette
2020 Chevrolet Corvette
2021 Chevrolet Corvette
2022 Chevrolet Corvette
2023 Chevrolet Corvette
2019 Chevrolet Silverado 1500
2020 Chevrolet Silverado 1500
2021 Chevrolet Silverado 1500
2022 Chevrolet Silverado 1500
2023 Chevrolet Silverado 1500
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2021 Chevrolet Suburban
2022 Chevrolet Suburban
2023 Chevrolet Suburban
2021 Chevrolet Suburban 1500
2022 Chevrolet Suburban 1500
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2021 Chevrolet Tahoe
2022 Chevrolet Tahoe
2023 Chevrolet Tahoe
2019 GMC Sierra 1500
2020 GMC Sierra 1500
2021 GMC Sierra 1500
2022 GMC Sierra 1500
2023 GMC Sierra 1500
2019 GMC Yukon
2020 GMC Yukon
2021 GMC Yukon
2022 GMC Yukon
2023 GMC Yukon
2019 GMC Yukon Denali
2019 GMC Yukon XL
2020 GMC Yukon XL
2021 GMC Yukon XL
2022 GMC Yukon XL
2023 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.