Buick Lesabre 2002–2003 — technical service bulletin
Bulletin 11212002 · NHTSA communication 10013177 · issued Nov 21, 2002
Technical service bulletin
communication type
Electrical System
component
2002–2003
model years
10
vehicle entries
Official summary
Service engine light on to soon. *eh
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.