TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
On certain 2018 MY Sonata (LF) equipped with the 2.4L or 2.0L Turbo engine, the starter M-Terminal nut may become relaxed and loosened. If this condition exists, the vehicle may experience a no crank condition in colder ambient temperatures. In most cases the starter will function normally at room temperature. This bulletin provides the service procedure to properly tighten the starter M-Terminal nut.

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Date Published
JUN 18, 2019
NHTSA TSB #
10163287
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