Buick Envision 2013–2019 — technical service bulletin
Bulletin 18NA246 · NHTSA communication 10158772 · issued Feb 14, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2019
model years
44
vehicle entries
Official summary
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
Vehicles covered
- 2016 Buick Envision
- 2017 Buick Envision
- 2018 Buick Envision
- 2019 Buick Envision
- 2014 Buick Regal
- 2015 Buick Regal
- 2016 Buick Regal
- 2017 Buick Regal
- 2018 Buick Regal
- 2019 Buick Regal
- 2013 Cadillac Ats
- 2014 Cadillac Ats
- 2015 Cadillac Ats
- 2016 Cadillac Ats
- 2017 Cadillac Ats
- 2018 Cadillac Ats
- 2019 Cadillac Ats
- 2016 Cadillac CT6
- 2017 Cadillac CT6 Plug-In Hybrid
- 2018 Cadillac CT6 Plug-In Hybrid
- 2014 Cadillac CTS
- 2015 Cadillac CTS
- 2016 Cadillac CTS
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2019 Cadillac CTS
- 2016 Chevrolet Camaro
- 2017 Chevrolet Camaro
- 2018 Chevrolet Camaro
- 2019 Chevrolet Camaro
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2013 Chevrolet Malibu
- 2014 Chevrolet Malibu
- 2015 Chevrolet Malibu
- 2016 Chevrolet Malibu
- 2017 Chevrolet Malibu
- 2018 Chevrolet Malibu
- 2019 Chevrolet Malibu
- 2018 Chevrolet Traverse
- 2019 Chevrolet Traverse
- 2017 GMC Terrain
- 2018 GMC Terrain
- 2019 GMC Terrain
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.