Buick Encore 2019–2023 — technical service bulletin
Bulletin PIP5944A · NHTSA communication 10247353 · issued Nov 14, 2023
Technical service bulletin
communication type
Equipment
component
2019–2023
model years
12
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.