Hyundai Sonata Hybrid 2017 — technical service bulletin
Bulletin 5NP-U2Z6J-08 · NHTSA communication 10115234 · issued Jul 19, 2017
Technical service bulletin
communication type
Engine
component
2017
model years
1
vehicle entries
Official summary
Some 2017MY SONATA HYBRID vehicles may develop an abnormal noise, Hybrid/Check Engine Warning Light On and/or Engine No Start if the pulley becomes loose at the Hybrid Starter Generator (HSG) shaft.
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.