Cadillac CTS 2014–2021 — technical service bulletin

Bulletin PIP5212C · NHTSA communication 10190433 · issued Mar 30, 2021

Technical service bulletin

communication type

Engine and Engine Cooling

component

2014–2021

model years

vehicle entries

Official summary

This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.

Vehicles covered

2017 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 NA
2016 Chevrolet Camaro
2017 Chevrolet Camaro
2018 Chevrolet Camaro
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 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
2014 Chevrolet Silverado 1500
2017 Chevrolet Silverado 1500
2018 Chevrolet Silverado 1500
2021 Chevrolet Silverado 1500
2015 Chevrolet Silverado 2500
2016 Chevrolet Silverado 2500
2019 Chevrolet Silverado 4500
2020 Chevrolet Silverado 4500
2015 Chevrolet Suburban
2016 Chevrolet Suburban
2017 Chevrolet Suburban
2018 Chevrolet Suburban
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2021 Chevrolet Suburban
2015 Chevrolet Tahoe
2016 Chevrolet Tahoe
2017 Chevrolet Tahoe
2018 Chevrolet Tahoe
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2021 Chevrolet Tahoe
2021 GMC Sierra 1500
2014 GMC Sierra Denali
2015 GMC Sierra Denali
2016 GMC Sierra Denali
2017 GMC Sierra Denali
2018 GMC Sierra Denali
2019 GMC Sierra Denali
2020 GMC Sierra Denali
2015 GMC Yukon Denali
2016 GMC Yukon Denali
2017 GMC Yukon Denali
2018 GMC Yukon Denali
2019 GMC Yukon 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.