Cadillac CT4 2019–2022 — technical service bulletin
Bulletin PIP5990A · NHTSA communication 11007779 · issued Sep 13, 2024
Technical service bulletin
communication type
Engine
component
2019–2022
model years
11
vehicle entries
Official summary
This Preliminary information communicates a part restriction for certain MY 2.7 L3B service engines
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.