Buick Lesabre 2004 — technical service bulletin
Bulletin 01431 · NHTSA communication 10004177 · issued Nov 18, 2003
Technical service bulletin
communication type
Power Train
component
2004
model years
1
vehicle entries
Official summary
Incorrect powertrain control module (pcm) part number setting diagnostic trouble code (dtc) p0135. *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.