Buick Lacrosse 2005–2006 — technical service bulletin
Bulletin 05539 · NHTSA communication 10017551 · issued Apr 1, 2005
Technical service bulletin
communication type
Power Train
component
2005–2006
model years
15
vehicle entries
Official summary
Product emission recall to replace the powertrain/engine control module (pcm/ecm). The powertrain/engine control module (pcm/ecm) may have been manufactured with damaged internal ic chips, which may affect the fuel pump control and egr outputs of the pcm; or the fuel pump control and variable nozzle turbo control (vntc) outputs of the diesel ecm. *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.