Cadillac CT5 2020–2022 — technical service bulletin
Bulletin 21-NA-165 · NHTSA communication 10222784 · issued Sep 13, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2022
model years
3
vehicle entries
Official summary
This service bulletin provides a service procedure to correct a customer concern of a Rattle Noise/Vibration from Under Vehicle.
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.