Cadillac CTS 2003–2004 — technical service bulletin
Bulletin 102003 · NHTSA communication 10005003 · issued Oct 20, 2003
Technical service bulletin
communication type
Tires
component
2003–2004
model years
2
vehicle entries
Official summary
Field action 03049 - bulge or crack may appear on the inner sidewall of the tires. Information. Gm voicemail log. *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.