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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Lacrosse 2010–2017technical service bulletin

Bulletin 21NA280 · NHTSA communication 10205596 · issued Nov 29, 2021

Technical service bulletin
communication type
Electrical System
component
2010–2017
model years
32
vehicle entries

Official summary

This service bulletin provides diagnostic repair information for customer concerns of Engine Run-On, Rough Running, Malfunction Indicator Lamp (MIL) Illuminated.

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.