Cadillac CTS-V 2014–2020 — technical service bulletin

Bulletin 15-06-01-002N · NHTSA communication 10232139 · issued Feb 15, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2014–2020

model years

vehicle entries

Official summary

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Vehicles covered

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
2014 Chevrolet Corvette
2015 Chevrolet Corvette
2016 Chevrolet Corvette
2017 Chevrolet Corvette
2018 Chevrolet Corvette
2019 Chevrolet Corvette
2014 Chevrolet Silverado 1500
2015 Chevrolet Silverado 1500
2016 Chevrolet Silverado 1500
2017 Chevrolet Silverado 1500
2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado 1500
2015 Chevrolet Suburban
2016 Chevrolet Suburban
2017 Chevrolet Suburban
2018 Chevrolet Suburban
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2015 Chevrolet Tahoe
2016 Chevrolet Tahoe
2017 Chevrolet Tahoe
2018 Chevrolet Tahoe
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2014 GMC Sierra 1500
2015 GMC Sierra 1500
2016 GMC Sierra 1500
2017 GMC Sierra 1500
2018 GMC Sierra 1500
2019 GMC Sierra 1500
2015 GMC Yukon
2016 GMC Yukon
2017 GMC Yukon
2018 GMC Yukon
2019 GMC Yukon
2020 GMC Yukon
2015 GMC Yukon XL
2016 GMC Yukon XL
2017 GMC Yukon XL
2018 GMC Yukon XL
2019 GMC Yukon XL
2020 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.