Buick Encore GX 2019–2023 — technical service bulletin
Bulletin 24-NA-009 · NHTSA communication 10249531 · issued Jan 10, 2024
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
12
vehicle entries
Official summary
This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs of abnormal wear to correct customer concerns of Loss of Forward gear, slipping, MIL.
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.