Cadillac CTS 2016–2023 — technical service bulletin
Bulletin 18-NA-291 · NHTSA communication 10217046 · issued Jul 18, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2023
model years
11
vehicle entries
Official summary
This service bulletin provides a repair procedure to correct customer concerns of Reduced Performance, Reduced Power, Engine Misfire, Malfunction Indicator Lamp (MIL) Illuminated.
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.