Cadillac CT4 2023–2024 — technical service bulletin
Bulletin PIP6018 · NHTSA communication 11011454 · issued Oct 22, 2024
Technical service bulletin
communication type
Power Train
component
2023–2024
model years
14
vehicle entries
Official summary
This Preliminary information communicates to technicians inspection for an incorrectly machined fluid passage in the valve body causing DTC P0841.
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.