TSB 24-01-068H — Hyundai Service campaign

24-01-068H is a service campaign on file with NHTSA for 4 Hyundai models, 2010–2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
4Vehicles named
12Model years

Worth checking your VIN against. 24-01-068H is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.

Vehicles and model years 24-01-068H names

VehicleModel years
Hyundai Elantra 2014, 2015, 2016
Hyundai Santa Fe 2010, 2011, 2012
Hyundai Tucson 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hyundai Veloster 2012, 2013, 2014, 2015, 2016, 2017

Every document filed under 24-01-068H

Document IDFiledType
24-01-068H August 19, 2024 Service campaign

What 24-01-068H covers

Engine — the component vocabulary NHTSA files this communication under.

← All Hyundai Elantra TSB years TSB lookup by model

Questions buyers ask

What is TSB 24-01-068H?

24-01-068H is a service campaign filed with NHTSA by Hyundai, covering 4 Hyundai models across the 2010–2021 model years. NHTSA's summary reads: Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the…

Which vehicles does 24-01-068H cover?

NHTSA's file names Hyundai Elantra (2014–2016); Hyundai Santa Fe (2010–2012); Hyundai Tucson (2010–2021); Hyundai Veloster (2012–2017). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 24-01-068H a recall, and is the repair free?

24-01-068H is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.

How do I get the full text of 24-01-068H?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 24-01-068H, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 24-01-068H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.