Buick Encore GX 2020–2023 — technical service bulletin
Bulletin 22-NA-188 · NHTSA communication 10225718 · issued Oct 26, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2023
model years
13
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of MAF Sensor Calibration Update - DTCs P227C and P10BC Set After ECM Replacement.
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.