Buick Terraza 2005–2006 — technical service bulletin
Bulletin 050601036 · NHTSA communication 10019481 · issued Jan 1, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005–2006
model years
8
vehicle entries
Official summary
Lx9 intermittent dtc/mil p0300 or engine stumble/hesitation at 5400 rpm or higher prior to transmission upshift. Original not yet received. *tt
Vehicles covered
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.