Cadillac CTS 2003 — technical service bulletin
Bulletin 01594 · NHTSA communication 10007172 · issued Jan 1, 2004
Technical service bulletin
communication type
Power Train
component
2003
model years
1
vehicle entries
Official summary
5L40E HARSH 3- 2 DOWN SHIFT.*MR
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.