Cadillac CT5 2020–2022 — technical service bulletin
Bulletin 22-NA-019 · NHTSA communication 10222797 · issued Sep 16, 2022
Technical service bulletin
communication type
Electrical System
component
2020–2022
model years
4
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set.
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.