Hyundai Veloster 2020 — technical service bulletin
Bulletin 19-01-034H · NHTSA communication 10167771 · issued Oct 29, 2019
Technical service bulletin
communication type
Engine
component
2020
model years
1
vehicle entries
Official summary
This bulletin provides information related to an ECM (Engine Control Module) software update to revise battery sensor data for optimized %SOC(State of Charge) value. The ECM Update also includes an update for misfire due to learning cylinder imbalance.
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.