Cadillac CTS 2004–2005 — technical service bulletin
Bulletin 609 · NHTSA communication 10016209 · issued Sep 1, 2004
Technical service bulletin
communication type
Power Train
component
2004–2005
model years
8
vehicle entries
Official summary
Operating characteristics of 5l40e/5l5oe transmissions. *sc
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.