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2004 Hyundai Sonata

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Hyundai Sonata do not stand out strongly from the model-year median of 161.

About this comparison →

When problems were reported

Mileage at the reported incident

155 reports with mileage · 47 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Suspension. Review the 56 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 47 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 46 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

22 crash reports2 fire reports23 injury reports

What owners actually said

202 reports
Mileage unknown · Nov 17, 2022
Suspension

The shocks and suspension in my car are almost nonexistent causing multiple almost car accidents

NHTSA ODI #11494053

310,000 miles · Oct 28, 2022
Suspension

The contact owns a 2004 Hyundai Sonata. The contact stated that while performing a 4-wheel alignment, the independent mechanic informed her that he was unable to complete the alignment successfully because the sub frame was severely corroded. Additionally, the contact stated that while driving 35 MPH, she heard and abnormal soun…

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The contact owns a 2004 Hyundai Sonata. The contact stated that while performing a 4-wheel alignment, the independent mechanic informed her that he was unable to complete the alignment successfully because the sub frame was severely corroded. Additionally, the contact stated that while driving 35 MPH, she heard and abnormal sound coming from the sub frame and the vehicle started shuddering. The contact stated that she almost lost control of the vehicle. The contact was able to veer to the side of the road. The vehicle was towed to an unknown dealer who informed the contact that she needed to pay for the repair because the VIN was not included in NHTSA Campaign Number: 09V124000 (Suspension) or TSB Number: 12-01-029. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was 310,000.

NHTSA ODI #11491277

148,000 miles · Sep 9, 2022
Suspension

The contact owns a 2004 Hyundai Sonata. The contact stated upon taking the vehicle to an independent mechanic, she was informed that the subframe was severely corroded. The independent mechanic informed the contact that the failure was associated with NHTSA Campaign Number: 09V124000 (Suspension) however, the VIN was not include…

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The contact owns a 2004 Hyundai Sonata. The contact stated upon taking the vehicle to an independent mechanic, she was informed that the subframe was severely corroded. The independent mechanic informed the contact that the failure was associated with NHTSA Campaign Number: 09V124000 (Suspension) however, the VIN was not included. The dealer and the manufacturer were not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 148,000.

NHTSA ODI #11483656

Mileage unknown · Aug 31, 2022
StructureUnknown Or Other

The front subframe has a hole in it it rusted for some reason and upon research there was a recall on this particular issue but now there isn’t one. I went to two dealerships and they informed me that Hyundai had recalls on this issue that’s why I’m confused on why when I search by my VIN there isn’t any open recalls. Just becau…

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The front subframe has a hole in it it rusted for some reason and upon research there was a recall on this particular issue but now there isn’t one. I went to two dealerships and they informed me that Hyundai had recalls on this issue that’s why I’m confused on why when I search by my VIN there isn’t any open recalls. Just because they isn’t any open recalls on this doesn’t mean that people aren’t still experiencing this issue.

NHTSA ODI #11482239

Mileage unknown · May 10, 2022
Service Brakes

I own a 2004 Hyundai Sonata. On 1/19/22, while driving the car, the brakes started failing. I was able to drive the car to my independent mechanic's shop and they repaired the brake issue with a fabrication and installation of the brake line. As my inspection was due, I made an appt with them to bring it back for inspection bef…

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I own a 2004 Hyundai Sonata. On 1/19/22, while driving the car, the brakes started failing. I was able to drive the car to my independent mechanic's shop and they repaired the brake issue with a fabrication and installation of the brake line. As my inspection was due, I made an appt with them to bring it back for inspection before the month was over. When I did bring it back however, another mechanic (who apparently had seen underneath the car when they did the brake work) stated that it would never pass inspection as the corrosion was severe. I then made an appt on 2/9 with the dealer who sold me the vehicle. The dealer however stated that the VIN was not included in the NHTSA Campaign 09V124000 (Suspension). I believe it should have been included in that recall and that I am entitled to the "Remedy" outlined in the NHTSA recall.

NHTSA ODI #11464039

92,000 miles · Apr 14, 2022
Air BagsExterior Lighting

The contact owns a 2004 Hyundai Sonata. The contact stated that the air bag warning light was illuminated and the fog lights were inoperable. The vehicle was taken to an independent mechanic who referred the contact to the dealer. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was…

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The contact owns a 2004 Hyundai Sonata. The contact stated that the air bag warning light was illuminated and the fog lights were inoperable. The vehicle was taken to an independent mechanic who referred the contact to the dealer. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure but did not provide any assistance. The failure mileage was approximately 92,000.

NHTSA ODI #11460738

122,000 miles · Feb 9, 2022
Service Brakes, AirStructureSuspension

The contact owns a 2004 Hyundai Sonata. The contact stated that while driving the vehicle, she noticed that her brakes were failing. The contact stated that she drove her vehicle to an independent mechanic who attempted to replace the brakes however, the mechanic informed her that her vehicle had a lot of corrosion on the brakes…

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The contact owns a 2004 Hyundai Sonata. The contact stated that while driving the vehicle, she noticed that her brakes were failing. The contact stated that she drove her vehicle to an independent mechanic who attempted to replace the brakes however, the mechanic informed her that her vehicle had a lot of corrosion on the brakes, and underneath the vehicle, which caused the brakes to fail. The contact stated that the mechanic did fabrication and installation of the brake line. The contact stated that she then took her vehicle to be inspected and was informed that the corrosion on the vehicle was too severe and the vehicle would not pass State Inspection. The vehicle was taken to the dealer and the contact was informed that the VIN was not included in NHTSA Campaign Number: 09V124000 (Suspension). The vehicle was not repaired. The manufacturer was not contacted. The approximate failure mileage was 122,000

NHTSA ODI #11451154

117,000 miles · Apr 25, 2021
Service Brakes

EVERY ONCE IN AWHILE WHEN I PRESS THE BRAKE IT SEEMS TO ACCELERATE FOR A SECOND BEFORE BRAKING. I HAVE DOUBLE CHECKED AND I AM NOT PRESSING THE GAS ON ACCIDENT. IT HAS HAPPENED RIGHT AFTER I START DRIVING (SO GOING UNDER 25 MPH) ON SIDE STREETS IN TOWN. I AM UNSURE OF THE EXACT DATES THIS HAS HAPPENED.

NHTSA ODI #11413869

73,000 miles · Apr 2, 2021
Structure

TL* THE CONTACT OWNS A 2004 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE AT THE LOCAL DEALER FAULKNER HYUNDAI (11500 ROOSEVELT BLVD, PHILADELPHIA) FOR ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE K-FRAME HAD SUSTAINED SEVERE RUSTING AND CORROSION. THE CAUSE OF THE FAILURE WAS NOT DETERMINED AND THE VEHICLE WAS NOT REPAIRED. …

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TL* THE CONTACT OWNS A 2004 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE AT THE LOCAL DEALER FAULKNER HYUNDAI (11500 ROOSEVELT BLVD, PHILADELPHIA) FOR ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE K-FRAME HAD SUSTAINED SEVERE RUSTING AND CORROSION. THE CAUSE OF THE FAILURE WAS NOT DETERMINED AND THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 73,000.

NHTSA ODI #11406073

Mileage unknown · Feb 20, 2021
Electrical SystemSuspension

I ENTERED MY VIN NUMBER ON THE HAS BUDDY APP AND IT SAYS THAT I HAVE A RECALL FOR SUSPENSION BUT CALLED A DEALER AND THEY SAID THAT IT DOESN'T. SOMETHING IS WRONG WITH THE WIRING TOO BECAUSE MY DOORS LOCK AT RANDOM TIMES MY SEAT GOES FORWARD AND BACK RANDOMLY MY SPEAKERS DON'T WORK. WHEN I HIT A BUMP JT FEELS LIKE MY TIRES ARE G…

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I ENTERED MY VIN NUMBER ON THE HAS BUDDY APP AND IT SAYS THAT I HAVE A RECALL FOR SUSPENSION BUT CALLED A DEALER AND THEY SAID THAT IT DOESN'T. SOMETHING IS WRONG WITH THE WIRING TOO BECAUSE MY DOORS LOCK AT RANDOM TIMES MY SEAT GOES FORWARD AND BACK RANDOMLY MY SPEAKERS DON'T WORK. WHEN I HIT A BUMP JT FEELS LIKE MY TIRES ARE GONNA FALL OFF

NHTSA ODI #11397102

Official recalls

1

09V124000 · Suspension

Apr 16, 2009

HYUNDAI IS RECALLING 188,282 MY 2001-2004 SONATA AND MY 2001-2004 XG300 AND XG350 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. ROAD SALT APPLIED IN THESE JURISDICTIONS DURING THE WINTER MONTHS MAY RESULT IN PROGRESSIVE, INTERNAL CORROSION OF THE FRONT SUB-FRAME ON THE VEHICLES, AND MAY RESULT IN THINNING OR PERFORATION OF THE SUB-FRAME STEEL. THE CORROSION IS FREQUENTLY VISIBLE AND OFTEN DISCOVERED DURING INSPECTION OR ROUTINE MAINTENANCE, AND OWNERS MAY ALSO HEAR NOISES OR NOTICE TIRE MISALIGNMENT AND STEERING PULL. IF THESE SIGNALS ARE UNDETECTED OR UNHEEDED, THE CORROSION MAY PROGRESS AND THE FORWARD MOUNTING OF THE LOWER CONTROL ARM MAY DETACH FROM THE SUB-FRAME.

Consequence & remedy

Consequence: IF THAT HAPPENS, THE VEHICLE MAY LOSE DRIVE POWER TO THE WHEELS, AND THE FRONT WHEEL MAY MAKE CONTACT WITH THE FENDER OR WHEEL WELL, THEREBY INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL MEASURE THE THICKNESS OF THE FRONT SUB-FRAME AND INSPECT THE FRONT SUB-FRAME FOR CORROSION DAMAGE AND, IF NECESSARY, THE FRONT SUB-FRAME WILL BE REPLACED WITH A NEW SUB-FRAME THAT INCORPORATES ADDITIONAL HOLES IN THE UPPER AND LOWER PANELS. IF THE FRONT SUB-FRAME DOES NOT REQUIRE REPLACEMENT, THE DEALER WILL ADD DRAINAGE HOLES TO THE SUB-FRAME AND WILL TREAT THE SUB-FRAME WITH RUST-PROOFING MATERIAL TO STOP THE CORROSION PROCESS. THIS PROCEDURE WILL BE PERFORMED FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING APRIL 2009. OWNERS MAY CONTACT THE HYUNDAI CUSTOMER ASSISTANCE CENTER AT 1-800-633-5151.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA08016 · Front SUB-FRAME Corrosion

Opened Aug 21, 2008 · Closed Apr 20, 2009

Status: closed (inferred from source dates) · Structure; Structure:frame And Members; Suspension; Suspension:front; Suspension:front:control Arm

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Additional source detail variants (5)

Structure:frame And Members

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Structure

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Suspension:front:control Arm

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Suspension:front

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Suspension

IN A LETTER DATED APRIL 14, 2009, HYUNDAI-KIA AMERICA TECHNICAL CENTER, INC (HYUNDAI) NOTIFIED NHTSA THAT HYUNDAIIS CONDUCTING A SAFETY RECALL OF MODEL YEAR (MY) 1999 THROUGH 2004 HYUNDAI SONATA VEHICLES MANUFACTURED PRIOR TO NOVEMBER 20, 2003 THAT ARE REGISTERED AND OPERATED IN THE FOLLOWING SALT BELT STATES AND THE DISTRICT OF COLUMBIA: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, AND WISCONSIN.HYUNDAI IS RECALLING THE VEHICLES TO REMEDY A CONDITION WHERE INTERNAL CORROSION OF THE FRONT SUBFRAME MAY LEAD TO SEPARATION OF THE LOWER CONTROL ARM AT THE FORWARD MOUNTING POINT AND/OR SEPARATION OF THE AXLE FROM THE TRANSAXLE.THIS COULD RESULT IN A LOSS OF VEHICLE CONTROL AND/OR VEHICLE DISABLEMENT. THE SUBFRAMES WILL BE INSPECTED IN THE RECALLED VEHICLES USING A PROCEDURE DEVELOPED BY HYUNDAI TO MEASURE METAL THICKNESS.PARTS WITH PERFORATIONS FROM CORROSION OR WITH METAL BELOW THE SPECIFIED THICKNESS WILL BE REPLACED WITH REDESIGNED SUBFRAMES.IF THE MINIMUM METAL THICKNESS IS MET, DRAINAGE HOLES AND RUST PROOFING MATERIAL WILL BE ADDED TO THE EXISTING SUBFRAME. ODI'S ANALYSIS OF COMPLAINT DATA REVEALED THAT 98% OF THE CONSUMER COMPLAINTS WERE FROM VEHICLES EITHER ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES. SIMILARLY 99.7% OF THE WARRANTY CLAIMS WERE FROM VEHICLES ORIGINALLY SOLD OR OPERATED IN SALTBELT STATES.ODI IDENTIFIED 105 REPORTS OF LOWER CONTROL ARM DETACHMENT AND/OR AXLE SEPARATION FROM THE TRANSAXLE THROUGH ANALYSIS OF WARRANTY AND COMPLAINT INFORMATION AND CONSUMER INTERVIEWS.ONE HUNDRED THREE (103) OF THE 105 INCIDENTS INVOLVED VEHICLES IN STATES COVERED BY THE RECALL.IN ADDITION TO THE SUBJECT VEHICLES, HYUNDAI ALSO NOTED IN THE APRIL 14, 2009 LETTER THAT MY 2001 THROUGH 2004 XG300 AND XG350 WERE ALSO BEING RECALLED AS THEY WERE MANUFACTURED WITH SUBFRAMES SIMILAR IN DESIGN THE SUBJECT VEHICLES.BASED ON HYUNDAI'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.