Buick Enclave 2010–2020 — technical service bulletin

Bulletin PIP4670H · NHTSA communication 10165904 · issued Sep 25, 2019

Technical service bulletin

communication type

Electrical System

component

2010–2020

model years

vehicle entries

Official summary

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.

Vehicles covered

2018 Buick Enclave
2019 Buick Enclave
2020 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
2017 Buick Envision
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
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
2011 Buick Regal
2012 Buick Regal
2013 Buick Regal
2014 Buick Regal
2015 Buick Regal
2016 Buick Regal
2017 Buick Regal
2018 Buick Regal
2019 Buick Regal
2020 Buick Regal
2012 Buick Verano
2013 Buick Verano
2014 Buick Verano
2015 Buick Verano
2016 Buick Verano
2017 Buick Verano
2013 Cadillac Ats
2014 Cadillac Ats
2015 Cadillac Ats
2016 Cadillac Ats
2017 Cadillac Ats
2018 Cadillac Ats
2019 Cadillac Ats
2020 Cadillac CT5
2016 Cadillac CT6
2019 Cadillac CT6
2020 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

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.