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RecallGazette

Vehicle problems, recalls & safety intelligence

Hyundai Santa FE 2011–2019technical service bulletin

Bulletin Campaign 953 Dea · NHTSA communication 10172220 · issued Feb 18, 2020

Technical service bulletin
communication type
Equipment
component
2011–2019
model years
23
vehicle entries

Official summary

Hyundai has developed a new engine monitoring technology called a Knock Sensor Detection System (KSDS). The technology uses software innovations and leverages existing engine sensors to continuously monitor for symptoms that may precede an engine failure. Watch this video to learn more. The KSDS software continuously monitors engine vibrations for unusual patterns that develop as an engine connecting rod bearing wears abnormally that could later cause engine seizure. If vibrations caused by bearing wear start to occur, the malfunction indicator lamp will blink continuously, an audible chime wi

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.