Cadillac CT4 2022 — technical service bulletin
Bulletin 22-NA-122 · NHTSA communication 10235762 · issued Apr 17, 2023
Technical service bulletin
communication type
Power Train
component
2022
model years
9
vehicle entries
Official summary
This informational bulletin provides a possible cause of transmission issues from debris in the valve body and how to test/diagnose the trans to determine a possible cause of the customer's concern.
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.