Hyundai IONIQ Hybrid 2017–2018 — technical service bulletin
Bulletin 5NP-T2P5P-10 · NHTSA communication 10145508 · issued Sep 6, 2018
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
2
vehicle entries
Official summary
Hyundai Motor America is conducting a Service Campaign to update the BMS software on certain 2017-18 Model Year Ioniq Hybrid vehicles. Service Campaign T3D provides a procedure to update the BMS ECU software.
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.