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Hyundai TSB #23-HC-002H

2020 Hyundai Sonata Hybrid

TSB Document:

MC-10241883-0001.pdf

Affected Component: POWER TRAIN

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.

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Date Published: AUG 25, 2023
NHTSA TSB #: 10241883

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