hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
79,400 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Hyundai Sonata body / paint problems

body / paint problem

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2004 Hyundai Sonata Owner Comments

problem #5

Dec 222016


  • 143,000 miles


The contact owns a 2004 Hyundai Sonata. While the vehicle was undergoing routine service, the technician noticed that underneath the front of the vehicle was severe corrosion and perforation that needed to be replaced. The vehicle was not repaired. The VIN was not included in NHTSA campaign number: 09V124000 (suspension). The manufacturer was made aware of the failure. The approximate failure mileage was 143,000.

- Pikeville, MD, USA

problem #4

Jun 112015


  • miles
The contact owns a 2004 Hyundai Sonata. The contact stated that there was premature rusting on the undercarriage and subframe of the vehicle, which progressed over time in the front and the rear. The vehicle failed inspection. The mechanic found holes, extensive rust, and corrosion to the point that the frame could fracture. The frame needed to be replaced due to the failure. The vehicle was not included in NHTSA campaign number: 09V124000 (suspension). The vehicle was not repaired. The manufacturer was notified of the failure. The VIN was unavailable. The failure mileage was not available.

- Utica, NY, USA

problem #3

Jul 192014


  • 175,000 miles
When having my car aligned, a technician showed me that the right front subframe is rusted through. Supposedly Hyundai fixed this 5 years ago, with one of two fixes: Either replacement or drilling drainage holes and apply a rust protector. One can see a hole drilled on the left subframe but not the right side. Besides my car, one has to ask: Did Hyundai really do anything to fix this situation or did they act like they did? a car rusting through the frame in five years is unheard of, and I fear others might have this same problem. Hyundai does not want to talk to me.

- West Lebanon, IN, USA

problem #2

Jun 282014

Sonata 6-cyl

  • 37,000 miles
Car failed pa inspection because of run on the sub frame dealer says its not covered under recall.

- East Petersburg, PA, USA

problem #1

Jun 062013

Sonata 6-cyl

  • 42,000 miles
I took my 2004 Sonata for inspection and was told that it would not pass due to a large hole from corrosion in front passenger subframe near control arm bolt costing $1200 to fix. After finding out that this was recalled and I was never notified, I contacted Hyundai and was told that my car was covered (I am in so-called "salt belt"). when I called the dealer back, I was told that my VIN is not included in the recall. The dealer then called Hyundai and dealer called me back stating that Hyundai would not cover. This hole can get larger and potentially cause the wheel to fall off while driving. My approx mileage is only 42K. Why is it not covered"!?!?!" I'm getting the run around.

- Horsham, PA, USA

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