Hyundai Sonata 2017 — technical service bulletin
Bulletin 5NP-Q4Q4Z-12 · NHTSA communication 10119091 · issued Nov 11, 2016
Technical service bulletin
communication type
Electrical System
component
2017
model years
1
vehicle entries
Official summary
This bulletin provides the procedure to update both the ECM (Engine Control Module) and the TCM (Transmission Control Module) on some 2017 Hyundai Sonatas equipped with a 7-speed EcoShift® Dual Clutch Transmission (DCT). The update will address: ? A slight hesitation at low speeds that can be experienced in certain driving conditions. This update improves the low speed engine and transmission response.
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.