2002 Kia Optima Problems

What owners report

Owners of this model year most often report front subframe corrosion, usually found during routine service or an alignment attempt, with complaints describing holes, broken frame sections and, in some cases, detached control arms. A second cluster involves door lock actuators that lock the door again right after unlocking, sometimes trapping occupants inside. Airbag warning lights and stalling are also reported, and most complaints come from higher-mileage cars, though the airbag and brake reports appear at lower mileage.

1. 1
   Body and structure

   Front subframe rust-through

   • 32 complaints (30%)
   • median 123,353 mi at 11.0 yrs old (29 state mileage)
   • filed 2007–2022

   Complaints describe corrosion on the front subframe or engine cradle severe enough to create holes, often found during an oil change, an alignment, or when the car starts pulling to one side. In several reports the lower control arm detaches or the frame breaks apart while driving. Owners say the dealer or manufacturer told them the vehicle identification number was not included in the subframe recall, and that repairs would be at their own expense. Mostly reported between roughly 65,000 and 220,000 miles, often on cars with many years of winter-road use.

   Recall 09V1830001 related service bulletin

   What to check: Have the front subframe inspected on a lift before buying, especially around the lower control arm mounts, and ask whether the vehicle was covered by the subframe recall and whether that work was done.

   2 excerpts from owner complaints in NHTSA records

   “My tire had started bending inward at the top, and outward at the bottom. My car started going out of alignment. I took it to a shop, and they found out my sub frame was rusted and worn out. They also found out that the sub frame had been recalled in 2009, but apparently not on my exact vehicle.”

   NHTSA complaint #10587615, filed 2014-05, 278,000 miles

   “We own a 2002 Kia Optima- found out there was a recall- the recall was corrision to the subframe that could lead to problems with the control arm. I was told that the car was inspected in 2010 and the recall was taken care of at that time. We bought the car from a private owner in 2014. 2015 went to get new tires on the car and discount tire told us that they couldn't do an alignment because there is an issue with the control arm. We found out to repair the control are it would be over $500. …”

   NHTSA complaint #10883976, filed 2016-07, 167,000 miles
2. 2
   Air bags

   Airbag warning light and no-deployment reports

   • 18 complaints (17%)
   • median 48,000 mi at 4.2 yrs old (14 state mileage)
   • 11 mention a crash, fire or injury
   • filed 2003–2019

   Complaints describe the airbag warning light coming on and staying on after repeated dealer visits, with dealers sometimes replacing a seat or the airbag control module without resolving it. Other complaints say the airbags did not deploy in a collision, and a few describe the driver's side airbag deploying without an impact. Owners report that the light often returned shortly after a repair. Reported from a few thousand miles up to about 100,000 miles, with several cases under 30,000 miles.

   1 related service bulletin

   What to check: Confirm the airbag warning light goes out after the self-check on start-up and stays off, and ask whether any airbag module, sensor or seat repairs were done; a service bulletin covers warning-lamp diagnostics.

   2 excerpts from owner complaints in NHTSA records

   “2002 Kia Optima airbag driver's side deployed going 35 miles perhour while in a right hand curve. When the air bag deployed it hit the left shouder causing my daughter to turn the wheel more and go off the road. There where no impacts on any part of the car .we are lucky no one was hurt other than a strained neck and a hole in the oil pan. Kia recalled some 2001 for the same problem .”

   NHTSA complaint #10148761, filed 2006-01, 48,000 miles

   “The air bag warning light came on 7 times while driving. Dealership replaced the driver's side seat that contained the side air bag because it was faulty, and installed a new air bag control module. Also, they reprogrammed the air bag sensor several times, but the light still came back on. Vehicle was involved in 2 frontal collisions in which the air bags did not deploy.”

   NHTSA complaint #10079670, filed 2004-06, 3,600 miles
3. 3
   Latches, locks and linkages

   Door locks re-lock themselves

   • 16 complaints (15%)
   • median 75,095 mi at 7.3 yrs old (11 state mileage)
   • filed 2004–2025

   Owners report that after unlocking with the key, the fob, or the power switch, the door locks itself again before it can be opened, so entry sometimes has to happen through another door or the window. Some complaints describe being locked inside and climbing out through a window. Dealers reportedly replaced door lock actuators or motors, and in some cases the problem returned. Reported from about 16,000 to 150,000 miles, with no clear weather or seasonal pattern in the complaints.

   What to check: Try every door with the key and the fob, watching for a door that locks again immediately, and ask whether any lock actuators have been replaced.

   2 excerpts from owner complaints in NHTSA records

   “2002 Kia Optima -- when you unlock the doors either manually or with key fob and attempt to open the passenger door it immediately locks and does not allow you to exit the vehicle. It locks from both inside and outside of vehicle. This incident has happened in the past approximately april of 2005 with the exception it also included the driver door. Had to climb out of window to exit vehicle.”

   NHTSA complaint #10228888, filed 2008-05, 102,000 miles

   “Was locked inside vehicle. After climbing out window, was locked out of vehicle. The door would unlock with key then when you try to open door it locks itself, even with key still in door. When this happens door will not open by manual use of locks either.”

   NHTSA complaint #10254710, filed 2009-01, 75,095 miles
4. 4
   Electrical system

   Engine stalls or cuts out while driving

   • 15 complaints (14%)
   • median 62,250 mi at 5.1 yrs old (12 state mileage)
   • 2 mention a crash, fire or injury
   • filed 2004–2015

   Owners report the engine shutting off at speed or failing to restart, with some complaints linking it to the crankshaft position sensor after a diagnosis by a mechanic. Others describe repeated stalling where the dealer replaced the ignition switch, control modules or wiring without curing the problem. Several owners say the dealer told them the crankshaft sensor recall did not apply to their vehicle identification number. Reported from about 60,000 to 140,000 miles in most complaints, with a few at very low mileage.

   Recall 03V0670001 related service bulletin

   What to check: Ask about the crankshaft position sensor and whether the related recall was performed for this vehicle, and note any history of stalling or repeated no-start repairs.

   2 excerpts from owner complaints in NHTSA records

   “When you turn my car on it does not want to turn off. When you are driving the car it suddenly shuts off and stops. I have read similar reports of the same thing happening and under the recalls it lists this as a complication. I have called Kia and was told that my VIN number doesn't have a recall on it and was told that any repairs would be out of pocket. …”

   NHTSA complaint #10533885, filed 2013-08, 102,000 miles

   “I was driving on freeway engine light came on vehicle stopped engine shut off I had to coast to side of road. It quit shifting after it stalled. Had to be towed home. Kia dealer in ontario california can't find what is wrong they want me to pay 1600.00 to change battery cables, battery and fix shifter.”

   NHTSA complaint #10704103, filed 2015-04, 136,098 miles
5. 5
   Brakes

   Brake vibration and pedal or line problems

   • 8 complaints (7%)
   • median 44,185 mi at 3.0 yrs old (7 state mileage, few)
   • 4 mention a crash, fire or injury
   • filed 2003–2012

   Complaints describe strong vibration or shaking through the car when braking, with dealers replacing rotors and pads and, in some cases, telling owners the rotors warped early. Other reports mention a pedal that went to the floor, a fractured master cylinder, or rusted brake lines found at inspection. Owners say the dealer sometimes attributed the wear to driving style. Mostly reported between about 23,000 and 130,000 miles, with several cases under 60,000 miles.

   1 related service bulletin

   What to check: Have the brake lines checked for corrosion and the front rotors checked for vibration on a test drive, and ask for brake service records.

   2 excerpts from owner complaints in NHTSA records

   “Purchased car brand new on april 30, 2003 - incident #1: july 15, 2003, I was traveling about 30-35 miles per hour exiting the mass pike exit at route 30. All traffic was slowing to exit - I applied the brakes - went all the way down - realized that the breaks were not working - panicked - impacted the vehicle in front of me. The airbags did not work. Incident #2: august 8, 2003, when vehicle was repaired the owner of bucci's auto body took the car in the parking lot for a test drive. …”

   NHTSA complaint #10070650, filed 2004-01, 6,000 miles

   “I bought a used Kia Optima 2002 in january of 2003. It had about 23000 miles on it. We took a trip to lake tahoe in feb.2003 and on the ride home every time I braked comming down the mountain the car would jerk and shake violently. When we got home I took the car into the dealer and they repaired it for me after I pleaded and argued with them. Less than 8 months later the same poblem started happening again so I took my in and they automaticaly placed the blame on me. They told me that I must be driving my car way to hard and don't know how to properly apply the brakes. …”

   NHTSA complaint #10074935, filed 2004-06, 23,668 miles

Buying note. A pre-purchase inspection focused on the front subframe, brakes and airbag warning light is worthwhile on this model year, and asking whether the subframe and crankshaft sensor recalls were completed for the specific vehicle helps set expectations for repair costs.

Summary written with AI from a sample of 80 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.