Buick Enclave 2021–2022 — technical service bulletin
Bulletin 22-NA-136 · NHTSA communication 10245563 · issued Nov 17, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
12
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of an Intermittent Check Engine Lamp On with Various DTCs 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.