Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Lacrosse 2007–2019technical service bulletin

Bulletin 060605001H · NHTSA communication 10158860 · issued Mar 5, 2019

Technical service bulletin
communication type
Equipment
component
2007–2019
model years
60
vehicle entries

Official summary

This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.

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.