Voluntary emissions service campaign

Bulletin number

SC365_TSB (SC365)

Component

Electrical system

Summary

TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: This bulletin provides the procedure to update the emissions‑related logic of the Engine Control Unit (ECU) system software on certain 2019–2020MY Sorento (UMa) and 2019–2021MY Sedona (YP) vehicles equipped with the 3.3L GDI Lambda II engine, as listed in the table below. The subject vehicles may have been produced with engine calibrations that can cause the vehicle to release air pollutants that exceed Federal and California standards. These standards were established to protect the public’s health and welfare from the dangers of air pollution.

Owners of these vehicles have filed 97 complaints in the electrical category.