Cadillac CTS 2003–2007 — technical service bulletin
Bulletin 3268 · NHTSA communication 10014922 · issued May 12, 2005
Technical service bulletin
communication type
Power Train
component
2003–2007
model years
5
vehicle entries
Official summary
Intermittent unwanted downshift, no upshift 5l40e/5l50e. *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.