Voluntary emissions service campaign: theta III 2.5L t-gdi ECM software logic improvement (SC369)

Bulletin number

SC369_TSB (SC369)

Component

Electrical system

Summary

TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA III 2.5L T-GDI ECM SOFTWARE LOGIC IMPROVEMENT (SC369) - This bulletin provides information to upgrade the engine control module (ECM) software to improve combustion stability by optimizing injector fuel injection control during the initial driving period on certain 2022-2023MY Stinger (CK) vehicles equipped with the Theta III 2.5L T-GDI ULEV engine, manufactured from February 1, 2021 through April 11, 2023. 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 7 complaints in the electrical category.