Hyundai Santa FE Sport 2015 — technical service bulletin
Bulletin 5NP-A3B9D-12 · NHTSA communication 10151888 · issued Nov 8, 2018
Technical service bulletin
communication type
Power Train
component
2015
model years
2
vehicle entries
Official summary
Hyundai has launched a Product Improvement Campaign to perform a knock sensor software update on the subject vehicles. The software update installs a newly developed Knock Sensor Detection System (KSDS) that detects vibrations indicating the onset of excessive connecting rod bearing wear in the engine. The KSDS is designed to alert a vehicle driver at an early stage of bearing wear before the occurrence of engine damage. If vibrations caused by bearing wear start to occur, the Malfunction Indicator Lamp (MIL) will blink continuously, an audible chime will sound, and the vehicle will be placed
Vehicles covered
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.