Cadillac CT5 2026–2027 — technical service bulletin
Bulletin PIC6658 · NHTSA communication 11036197 · issued Aug 4, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026–2027
model years
7
vehicle entries
Official summary
This preliminary information informs customers and technicians of the short term work around to restore the proper Themes operation. No parts should be replaced at this time.
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.