Affected Component: POWER TRAIN

Date Published

AUG 25, 2023

NHTSA TSB #

10241883

TSB Document

• MC-10241883-0001.pdf

Summary

This bulletin provides information related to the Engine Control Module (ECM) software update and coolant replacement for 2020-2023MY Sonata Hybrid (DN8 HEV) vehicles to improve the coolant filling mode by discharging air bubbles.