Chevrolet Spark 2016–2018 — technical service bulletin
Bulletin N192268880 · NHTSA communication 10166238 · issued Sep 13, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2018
model years
3
vehicle entries
Official summary
N192268880 - Emissions - General Motors has decided to conduct a voluntary emission recall involving certain 2016-2018 Chevrolet Spark vehicles. In the unlikely event that a memory bank in the transmission control module (TCM) becomes faulty, the TCM may not illuminate the malfunction indicator lamp (Check Engine Light) and may not set a diagnostic trouble code (DTC). In addition, if this condition were to occur, certain transmission diagnostic tests may not function properly, and an engine revving sound might be heard during vehicle acceleration and deceleration. Dealers are to reprogram the
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.