Cadillac CTS 2003 — technical service bulletin
Bulletin 040139008 · NHTSA communication 10012176 · issued Jun 1, 2004
Technical service bulletin
communication type
Visibility
component
2003
model years
1
vehicle entries
Official summary
Limited ability to control windshield defroster temperature. *eh
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.