Cadillac CT4 2020–2022 — technical service bulletin
Bulletin 22-NA-200 · NHTSA communication 10231894 · issued Feb 2, 2023
Technical service bulletin
communication type
Latches/locks/linkages
component
2020–2022
model years
6
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of Child Safety Lock Update failure.
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.