Chevrolet Spark 2014–2019 — technical service bulletin
Bulletin 19NA053 · NHTSA communication 10158846 · issued Mar 14, 2019
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2014–2019
model years
6
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the trans fluid pressure switch to correct Transmission Operation Concerns or Lack of Performance, MIL Illuminated.
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.