Hyundai Veloster 2020 — technical service bulletin
Bulletin Campaign T4F Dea · NHTSA communication 10167273 · issued Oct 29, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020
model years
1
vehicle entries
Official summary
Hyundai is conducting a Service Campaign to perform an ECM software update to revise the battery sensor data to optimize 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.