April 13, 2023 Service bulletin

Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response...

Hyundai technical service bulletin 23-01-014H-4 for 2011-2019 Hyundai Sonata, 2011-2022 Hyundai Elantra and 2013-2022 Hyundai Santa Fe and others.

Bulletin number: 23-01-014H-4
Component: Electrical system: ignition: anti-theft: immobilizer/proximity: sensor
Summary: Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.

Owners of these vehicles have filed 3,576 complaints in the electrical category.

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