TSB 24-TC-001H — Hyundai Service bulletin

24-TC-001H is a service bulletin on file with NHTSA for the Hyundai Palisade, 2020–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This bulletin provides instructions to update the all wheel drive engine control unit (AWD ECU) for certain AWD Palisade (LX2) vehicles to reduce the coupling noises when making turns.

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

1Document filed
1Vehicle named
5Model years

Vehicles and model years 24-TC-001H names

VehicleModel years
Hyundai Palisade 2020, 2021, 2022, 2023, 2024

Every document filed under 24-TC-001H

Document IDFiledType
24-TC-001H August 15, 2024 Service bulletin

What 24-TC-001H covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Hyundai Palisade TSB years TSB lookup by model

Questions buyers ask

What is TSB 24-TC-001H?

24-TC-001H is a service bulletin filed with NHTSA by Hyundai, covering the Hyundai Palisade across the 2020–2024 model years. NHTSA's summary reads: This bulletin provides instructions to update the all wheel drive engine control unit (AWD ECU) for certain AWD Palisade (LX2) vehicles to reduce the coupling noises when making turns.

Which vehicles does 24-TC-001H cover?

NHTSA's file names Hyundai Palisade (2020–2024). 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-TC-001H a recall, and is the repair free?

No. 24-TC-001H 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-TC-001H?

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-TC-001H, 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-TC-001H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.