Buick Enclave 2007–2021 — technical service bulletin
Bulletin 18NA115 · NHTSA communication 10181670 · issued Sep 2, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2021
model years
60
vehicle entries
Official summary
This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.
Vehicles covered
- 2009 Buick Enclave
- 2010 Buick Enclave
- 2011 Buick Enclave
- 2012 Buick Enclave
- 2013 Buick Enclave
- 2014 Buick Enclave
- 2015 Buick Enclave
- 2016 Buick Enclave
- 2017 Buick Enclave
- 2018 Buick Enclave
- 2019 Buick Enclave
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2009 Buick Lacrosse
- 2010 Buick Lacrosse
- 2011 Buick Lacrosse
- 2012 Buick Lacrosse
- 2013 Buick Lacrosse
- 2014 Buick Lacrosse
- 2015 Buick Lacrosse
- 2016 Buick Lacrosse
- 2017 Buick Lacrosse
- 2018 Buick Lacrosse
- 2019 Buick Lacrosse
- 2013 Cadillac Ats
- 2014 Cadillac Ats
- 2015 Cadillac Ats
- 2016 Cadillac Ats
- 2017 Cadillac Ats
- 2018 Cadillac Ats
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2016 Cadillac CT6
- 2017 Cadillac CT6
- 2018 Cadillac CT6
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2010 Cadillac CTS
- 2011 Cadillac CTS
- 2012 Cadillac CTS
- 2013 Cadillac CTS
- 2014 Cadillac CTS
- 2015 Cadillac CTS
- 2016 Cadillac CTS
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2019 Cadillac CTS
- 2010 Cadillac SRX
- 2011 Cadillac SRX
- 2012 Cadillac SRX
- 2013 Cadillac SRX
- 2014 Cadillac SRX
- 2015 Cadillac SRX
- 2018 Cadillac XT5
- 2019 Cadillac XT5
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2013 Cadillac XTS
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.