Cadillac CTS 2014–2019 — technical service bulletin
Bulletin 16NA111 · NHTSA communication 10158781 · issued Mar 20, 2019
Technical service bulletin
communication type
Engine
component
2014–2019
model years
53
vehicle entries
Official summary
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting.
Vehicles covered
- 2016 Cadillac CTS
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2019 Cadillac CTS
- 2015 Cadillac Escalade
- 2016 Cadillac Escalade
- 2017 Cadillac Escalade
- 2018 Cadillac Escalade
- 2015 Cadillac Escalade Esv
- 2016 Cadillac Escalade Esv
- 2017 Cadillac Escalade Esv
- 2018 Cadillac Escalade Esv
- 2016 Chevrolet Camaro
- 2017 Chevrolet Camaro
- 2018 Chevrolet Camaro
- 2019 Chevrolet Camaro
- 2014 Chevrolet Corvette
- 2015 Chevrolet Corvette
- 2016 Chevrolet Corvette
- 2017 Chevrolet Corvette
- 2018 Chevrolet Corvette
- 2019 Chevrolet Corvette
- 2017 Chevrolet Silverado
- 2014 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2015 Chevrolet Suburban
- 2016 Chevrolet Suburban
- 2017 Chevrolet Suburban
- 2018 Chevrolet Suburban
- 2015 Chevrolet Tahoe
- 2016 Chevrolet Tahoe
- 2017 Chevrolet Tahoe
- 2018 Chevrolet Tahoe
- 2017 GMC Sierra
- 2014 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2018 GMC Sierra 2500
- 2015 GMC Sierra Denali
- 2016 GMC Sierra Denali
- 2018 GMC Sierra Denali
- 2015 GMC Yukon
- 2016 GMC Yukon
- 2017 GMC Yukon
- 2018 GMC Yukon
- 2015 GMC Yukon XL
- 2016 GMC Yukon XL
- 2017 GMC Yukon XL
- 2018 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.