Affected Component: ENGINE AND ENGINE COOLING

Date Published
NOV 08, 2021
NHTSA TSB #
10204250
TSB Document
Summary
Certain 2020-2021 Sonata (DN8a) vehicles with 1.6T engines may exhibit a check engine light in conjunction with a popping noise, abnormal smell from the engine compartment, rough running, or reduced power due to a misfire.