Cadillac CT4 2020–2024 — technical service bulletin
Bulletin PIC6555 · NHTSA communication 11006402 · issued Aug 15, 2024
Technical service bulletin
communication type
Structure
component
2020–2024
model years
10
vehicle entries
Official summary
This Preliminary information communicates that a service door latch system message maybe displayed without any related DTC's.
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.