Kia Niro EV 2019–2020 — technical service bulletin
Bulletin TSB_ELE234 · NHTSA communication 10191531 · issued Apr 30, 2021
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: DRIVE UNIT INSPECTION & REPLACEMENT FOR EV MOTOR RUMBLE NOISE - This bulletin provides the procedure to inspect and repair the EV motor drive unit and reduction gear on some 2019MY~ Niro EV (DE EV) vehicles produced from December 5, 2018, which may exhibit an abnormal rumble noise while driving (refer to noise sample videos below). The rumble noise may be heard repeatedly when the traction motor is operating, while driving slowly in "D" range, or when slowly accelerating/decelerating between 0~25 mph.
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.