Buick Enclave 2021 — technical service bulletin
Bulletin 22-NA-054 · NHTSA communication 10209508 · issued Mar 14, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
6
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of a Check Engine Lamp Illuminated in the DIC (Driver Information Center), Temperature Gauge Inaccurate, and/or Cooling Fans Continue Running after Vehicle is Turned Off, with DTC P0128 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.