2004 Kia Optima problems, complaints & recalls
Most-reported problem areas: Latches/Locks/Linkages (63) · Structure:body (23) · Electrical System (16)
🧭 Reliability snapshot
Compared against other Kia Optima model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
187 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (15)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure 2021-09-13 · TSB_BOD055_R1 · Service Bulletin/Repair Instructions
technical service bulletin: information for headlamp condensation and moisture - this bulletin has been revised to include additional information. new/revised sections of this bulletin are indicated by a black bar in the margin area. this bulletin provides information relating to some kia models tha
Engine And Engine Cooling 2018-03-02 · PS539 · Service Bulletin/Repair Instructions
pitstop - engine component re-use guidelines - in general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
Equipment:mechanical 2017-01-18 · TSB-GEN085R1 · Service Bulletin/Repair Instructions
tsb: mandatory replacement of locking/security hardware - by design, certain fasteners, which are designed to lock into place once fully attached, are utilized in various kia models and are strictly intended for ?one time use.? some examples are: axle shaft nuts with stake collar, cotter pins, washe
Latches/Locks/Linkages 2016-11-04 · TSB-GEN085 · Service Bulletin/Repair Instructions
tsb: mandatory replacement of locking/security hardware - by design, certain fasteners utilized in various kia models are strictly intended for ?one time use?. though not limited to the following, some examples are: axle shaft nuts with stake collar, cotter pins, washers with locking tabs and other
Equipment Adaptive/Mobility 2016-04-04 · PS443 · Service Bulletin/Repair Instructions
tsb - use of aftermarket usb charging cables in usb/12v ports - this article provides information regarding the use of usb ports and 12v power outlets to connect/charge mobile phones. customers may experience issues with their head units that may be related to the use of aftermarket usb charging cab
Power Train 2013-12-06 · TSBTRA046 · Service Bulletin/Repair Instructions
tsb: automatic transmission fluid application guide - this bulletin provides information relating to the correct automatic transmission fluids that are required for each kia model. refer to the shop manual on kgis for the specific kia model, then reference the automatic transaxle system/ repair proc
Showing the 6 most recent of 15 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-02-11 · Suspension“had some noise coming from the front of the car, had my mechanic look at it, he said we needed a control arm. when he took off the cover to replace the control arm, he found the sub frame had rotten and was cracking. as i looked online, i saw that kia had a recall for this issue. when i contacted kia, their response was "as my car is not under w…”
2022-08-23 · Structure:body“door lock/unlock mechanism has failed. unable to unlock and open door from outside or inside. this defect causes the door to stay locked and unable to open. this can trap people inside of the car if they are unable to crawl out a window or exit from another door. there are many reports of this on kia forums and general google search. there was no …”
2022-02-16 · Fuel System, Gasoline · 145,000 mi“the contact owns a 2004 kia optima. the contact stated that after refueling, the vehicle would not start. the vehicle was not taken to a local dealer. upon investigation, the contact associated the failure with nhtsa campaign number: 04v180000 (fuel system, gasoline) however, the vin was not included. the manufacturer was informed of the failure an…”
2021-03-31 · Suspension“i was repairing brakelines, while observing under carriage i noticed suspension rust, frame. looked up recalls and this is one. i included screenshot of proog…”
2019-01-30 · Vehicle Speed Control · 102,500 mi“while driving on a highway with cruise control active, i was unable to turn off the cruise control with the steering wheel control buttons. the cancel and set buttons had no effect when pressed. the car remained traveling at the set speed. tapping on the brake pedal did cancel the cruise control.…”
2018-03-26 · Structure:body · 121,000 mi“while stationary - driver's side door will not open from inside or outside with key, manual lock or electronic lock controls (stuck closed). unable to evacuate car from driver's side. safety concern - lack of egress…”
2018-01-16 · Air Bags · 57,000 mi · 💥 crash“tl* the contact owned a 2004 kia optima. while driving 25 mph, another vehicle crashed into the contact's vehicle from the front. the passenger side air bags failed to deploy. a police report was filed. the contact sustained stomach and chest injuries that required medical attention. the vehicle was not taken to the dealer. the vehicle was not diag…”
2017-12-23 · Electrical System · 114,000 mi“unable to open passenger door due to door lock actuator stopped working. unsafe to drive.…”
2017-11-29 · Structure:body · 48,000 mi“tl* the contact owns a 2004 kia optima. when the vehicle was taken to bill doraty kia (2925 medina rd, medina, oh 44256, (330) 721-9500) for routine brake service, the technician found a crack in the front frame. the dealer stated that the vehicle was safe to drive at that time. the contact was informed that the frame would need to be replaced, but…”
2017-04-29 · Structure:body · 120,000 mi“driver door does not open from inside nor from outside. when unlocking the doors, all doors will open except the driver's door. center lock mechanism or manual use of keys does not help. this is without a doubt a safety problem where driver can be trapped in the car in case of emergency. this is very common in kia optima models.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.