Buick Allure 2000–2023 — technical service bulletin
Bulletin 21-NA-124 · NHTSA communication 10228888 · issued Dec 14, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2023
model years
60
vehicle entries
Official summary
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
Vehicles covered
- 2006 Buick Allure
- 2007 Buick Allure
- 2008 Buick Allure
- 2009 Buick Allure
- 2016 Buick Cascada
- 2017 Buick Cascada
- 2018 Buick Cascada
- 2019 Buick Cascada
- 2000 Buick Century
- 2001 Buick Century
- 2002 Buick Century
- 2003 Buick Century
- 2004 Buick Century
- 2005 Buick Century
- 2008 Buick Enclave
- 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
- 2022 Buick Enclave
- 2023 Buick Enclave
- 2013 Buick Encore
- 2014 Buick Encore
- 2015 Buick Encore
- 2016 Buick Encore
- 2017 Buick Encore
- 2018 Buick Encore
- 2019 Buick Encore
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2023 Buick Encore
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2023 Buick Encore GX
- 2016 Buick Envision
- 2017 Buick Envision
- 2018 Buick Envision
- 2019 Buick Envision
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2023 Buick Envision
- 2005 Buick Lacrosse
- 2006 Buick Lacrosse
- 2007 Buick Lacrosse
- 2008 Buick Lacrosse
- 2009 Buick Lacrosse
- 2010 Buick Lacrosse
- 2011 Buick Lacrosse
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.