TSB 25-01-023H — Hyundai Service campaign
25-01-023H is a service campaign on file with NHTSA for 2 Hyundai models, 2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 25-01-023H 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 25-01-023H names
| Vehicle | Model years |
|---|---|
| Hyundai Sonata | 2024 |
| Hyundai Tucson | 2024 |
Every document filed under 25-01-023H
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 25-01-023H DN | March 13, 2025 | Service campaign |
| 25-01-023H TSB | March 13, 2025 | Service campaign |
What 25-01-023H covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 25-01-023H?
25-01-023H is a service campaign filed with NHTSA by Hyundai, covering 2 Hyundai models across the 2024 model years. NHTSA's summary reads: The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a…
Which vehicles does 25-01-023H cover?
NHTSA's file names Hyundai Sonata (2024); Hyundai Tucson (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 25-01-023H a recall, and is the repair free?
25-01-023H 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 25-01-023H?
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 25-01-023H, its date, and NHTSA's own summary from the public file.
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 25-01-023H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.