Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Lucerne 2005–2015technical service bulletin

Bulletin 09-06-04-026J · NHTSA communication 10139412 · issued Jan 12, 2015

Technical service bulletin
communication type
Engine and Engine Cooling
component
2005–2015
model years
60
vehicle entries

Official summary

This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).

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.