Cadillac CTS 2003–2005 — technical service bulletin
Bulletin 020730002 · NHTSA communication 631799 · issued Aug 1, 2004
Technical service bulletin
communication type
Power Train
component
2003–2005
model years
8
vehicle entries
Official summary
Information on 5l40e automatic transmission operating characteristics. *slc *ar
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.