Buick Encore 2019–2023 — technical service bulletin
Bulletin PIP5944 · NHTSA communication 10246022 · issued Oct 26, 2023
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
9
vehicle entries
Official summary
This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to 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.