Chevrolet Spark 2020–2021 — technical service bulletin
Bulletin PIP5789 · NHTSA communication 10190405 · issued Mar 16, 2021
Technical service bulletin
communication type
Power Train
component
2020–2021
model years
2
vehicle entries
Official summary
This Preliminary information communicates to the dealer technician to replace the TCM if diagnostics leads to transmission 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.