2004 Hyundai Elantra problems & reliability
182 owner complaints filed with NHTSA for the 2004 Hyundai Elantra, alongside 5 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
18 complaints report injuries (26 injured).
Federal crash records (FARS 2020–2023): 2004 Hyundai Elantra vehicles were involved in 35 fatal crashes with 25 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 114 | 63% |
| Seat Belts → | 12 | 7% |
| Engine and Engine Cooling → | 11 | 6% |
| Power Train | 7 | 4% |
| Suspension | 7 | 4% |
| Vehicle Speed Control | 7 | 4% |
| Electrical System | 6 | 3% |
| Service Brakes, Hydraulic | 6 | 3% |
| Engine | 5 | 3% |
| Steering | 5 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 50,000 miles (middle 50% between 12,000 and 82,000 miles), based on 93 complaints that included mileage.
Complaints by incident year
What owners report
“Rapid rusting of rear subframe cross member. Car rarely gets driven in snow or even bad weather. Went from minimal signs of rust to looking pretty rotted within the past year. Saw recalls on similar Hyundai vehicles. Maybe possible the same steel was used, or same lack of corrosion preventative.”
Suspension · filed Feb 1, 2024
“Vehicle 2004 hyundai involved in accident on the street, this vehicle owner was belted when the accident occurred, the airbags deployed, this vehicle owner sustained severe injuries including fractured vertebrate of lumbar 1 and 2 and fractured ribs, note no other vehicle was involved, this vehicle owner side swiped a…”
Air Bags · filed Jun 14, 2019
“Srs (airbag) service reminder indicator came on. I went to an auto parts store and they ran an obdii report on a bosch scanner. A b1448 oc (occupant classification) - passenger sensor mat defect came back. This is the same problem that the 2006-2008 hyundai sonatas have a recall on. The front passenger seat sensor, to…”
Air Bags · filed Feb 26, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- POST-CRASH FUEL TANK LEAK
Preliminary Evaluation PE04041 · opened Apr 16, 2004 · closed Jul 13, 2004 · led to recall 04V370000
Technical service bulletins
56 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Hyundai Elantra. The 10 most recent:
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co.…
DTN DL · Other · issued Apr 10, 2026
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety…
DTN DCS · Other · issued Apr 10, 2026
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of…
25-BD-012H TSB · Service Bulletin/Repair Instructions · issued Nov 6, 2025
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and…
24-BD-001H · Service Bulletin/Repair Instructions · issued Feb 14, 2024
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-EM-005H · Service Bulletin/Repair Instructions · issued Oct 13, 2023
Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare…
23-BD-007H · Service Bulletin/Repair Instructions · issued Apr 24, 2023
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of…
23-BD-002H · Service Bulletin/Repair Instructions · issued Jan 30, 2023
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
22-EM-010H · Service Bulletin/Repair Instructions · issued Jul 28, 2022
Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased…
22-GI-006H · Service Bulletin/Repair Instructions · issued Jul 14, 2022
Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicleâ  s ownerâ  s manual. ï · Use of other ATF may result in improper shift quality or other drivability conditions. ï · Use…
21-AT-006H · Service Bulletin/Repair Instructions · issued May 21, 2021
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Hyundai Elantra has 5 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Hyundai Elantra?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 50,000 miles — budget accordingly if the car is approaching that mileage.