This bulletin provides the procedure to update the Transmission Control Module (TCM) for the 2022MY Tucson...

Bulletin number

23-FL-007H

Component

Power train: automatic transmission: control module (TCM/PCM/tecm)

Summary

This bulletin provides the procedure to update the Transmission Control Module (TCM) for the 2022MY Tucson (NX4/NX4a) vehicles and the Engine Control Module (ECM) for the 2022-24MY Tucson vehicles to improve operation of the Idle Stop and Go (ISG) system. Under certain circumstances the vehicle may not restart after ISG system has engaged and require a manual restart due to the lack of intake manifold pressure recovery.

Owners of these vehicles have filed 83 complaints in the transmission category.