TSB 25-EE-002H — Hyundai Service bulletin
25-EE-002H is a service bulletin on file with NHTSA for the Hyundai Sonata, 2020–2023 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. Certain Sonata (DN8) and Sonata (DN8A) vehicles may experience issues with the air conditioning due to damaged wiring in the engine room junction box. This bulletin provides instructions to replace the multi-fuse, reroute the damaged wiring using the blower wiring kit, and…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 25-EE-002H names
| Vehicle | Model years |
|---|---|
| Hyundai Sonata | 2020, 2021, 2022, 2023 |
Every document filed under 25-EE-002H
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-EE-002H | April 30, 2025 | Service bulletin |
| 25-EE-002H TSB | April 25, 2025 | Service bulletin |
What 25-EE-002H covers
Engine, Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 25-EE-002H?
25-EE-002H is a service bulletin filed with NHTSA by Hyundai, covering the Hyundai Sonata across the 2020–2023 model years. NHTSA's summary reads: Certain Sonata (DN8) and Sonata (DN8A) vehicles may experience issues with the air conditioning due to damaged wiring in the engine room junction box. This bulletin provides instructions to replace the multi-fuse, reroute the damaged wiring using the blower wiring kit, and…
Which vehicles does 25-EE-002H cover?
NHTSA's file names Hyundai Sonata (2020–2023). 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-EE-002H a recall, and is the repair free?
No. 25-EE-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 25-EE-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 25-EE-002H, 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-EE-002H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.