TSB 25-FL-003H — Hyundai Service bulletin
25-FL-003H is a service bulletin on file with NHTSA for the Hyundai Elantra, 2021–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain Elantra (CN7), Elantra N (CN7 N), Elantra (CN7A) vehicles may experience a thudding noise coming from the fuel tank assembly at idle or on an incline when the PCSV (Purge Control Solenoid Valve) is operating, and fuel level is above 90% full. If the noise is heard,…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 25-FL-003H names
Every document filed under 25-FL-003H
| Document ID | Filed | Type |
|---|---|---|
| 25-FL-003H | May 30, 2025 | Service bulletin |
What 25-FL-003H covers
Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 25-FL-003H?
25-FL-003H is a service bulletin filed with NHTSA by Hyundai, covering the Hyundai Elantra across the 2021–2025 model years. NHTSA's summary reads: Certain Elantra (CN7), Elantra N (CN7 N), Elantra (CN7A) vehicles may experience a thudding noise coming from the fuel tank assembly at idle or on an incline when the PCSV (Purge Control Solenoid Valve) is operating, and fuel level is above 90% full. If the noise is heard,…
Which vehicles does 25-FL-003H cover?
NHTSA's file names Hyundai Elantra (2021–2025). 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-FL-003H a recall, and is the repair free?
No. 25-FL-003H 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-FL-003H?
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-FL-003H, 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-FL-003H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.