TSB 24-AT-002H — Hyundai Service bulletin

24-AT-002H is a service bulletin on file with NHTSA for 8 Hyundai models, 2010–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.

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

1Document filed
8Vehicles named
15Model years

Vehicles and model years 24-AT-002H names

VehicleModel years
Hyundai Accent 2012, 2013, 2014, 2015, 2016, 2017
Hyundai Elantra 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Hyundai Kona 2024
Hyundai Palisade 2020, 2021, 2022, 2023, 2024
Hyundai Santa Fe 2013, 2014, 2015, 2016, 2017, 2018
Hyundai Sonata 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Hyundai Tucson 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2024
Hyundai Veloster 2013, 2014, 2015, 2019, 2020, 2021

Every document filed under 24-AT-002H

Document IDFiledType
24-AT-002H April 9, 2024 Service bulletin

What 24-AT-002H covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Hyundai Accent TSB years TSB lookup by model

Questions buyers ask

What is TSB 24-AT-002H?

24-AT-002H is a service bulletin filed with NHTSA by Hyundai, covering 8 Hyundai models across the 2010–2024 model years. NHTSA's summary reads: This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.

Which vehicles does 24-AT-002H cover?

NHTSA's file names Hyundai Accent (2012–2017); Hyundai Elantra (2011–2019); Hyundai Kona (2024); Hyundai Palisade (2020–2024); Hyundai Santa Fe (2013–2018); Hyundai Sonata (2011–2024); Hyundai Tucson (2010–2021, 2024); Hyundai Veloster (2013–2015, 2019–2021). 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-AT-002H a recall, and is the repair free?

No. 24-AT-002H is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 24-AT-002H?

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-AT-002H, 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-AT-002H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.