NHTSA lists 144 complaints for the 2005 Kia Optima, 7 of them mention a crash and 1 mention a fire. 5 complaints mention an injury, with 6 injuries and 0 deaths reported.
Data build 2026-10-08.
NHTSA lists this vehicle as KIA OPTIMA.
Model-generated complaint tags: This model year has not been tagged.
Investigations
2 investigations; 0 open.
DP22003
Opened: 2022-09-12. Closed: 2023-12-12.
Loss of Motive Power
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints i
Systems: ENGINE.
Linked campaign numbers: None listed.
DP21003
Opened: 2021-11-12. Closed: 2023-06-20.
Throttle control system vulnerabilities
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003. Accordingly, Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007
Systems: VEHICLE SPEED CONTROL.
Linked campaign numbers: None listed.
Manufacturer communications
22 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 8 |
|---|
| ELECTRICAL SYSTEM | 3 |
|---|
| EQUIPMENT | 3 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 3 |
|---|
| POWER TRAIN | 3 |
|---|
| EXTERIOR LIGHTING | 2 |
|---|
| STRUCTURE | 2 |
|---|
| AIR BAGS | 1 |
|---|
10201529
Date: 2021-09-13. Type: Service Bulletin/Repair Instructions. Systems: EXTERIOR LIGHTING, STRUCTURE.
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
10174520
Date: 2020-04-24. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a
10133170
Date: 2018-03-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
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.
10109812
Date: 2017-01-18. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT, EQUIPMENT ADAPTIVE/MOBILITY.
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
10109777
Date: 2016-11-04. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT ADAPTIVE/MOBILITY, LATCHES/LOCKS/LINKAGES.
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
10183431
Date: 2016-04-04. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT, EQUIPMENT ADAPTIVE/MOBILITY.
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
10091489
Date: 2013-12-06. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
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
10034246
Date: 2010-05-01. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
KIA: INTERMITTENT MIL ON WITH NO FAULT CODE STORED; INFORMATION ABOUT DTC P1330. PROVIDES INFORMATION RELATING TO CERTAIN VEHICLES. IN AFFECTED VEHICLES AN INTERMITTENT SHORT TO GROUND IN A CIRCUIT ONLY INTENDED FOR TESTING PURPOSES MAY CAUSE THE MIL TO ILLUMINATE AND A DTC P1330 (SPARK TIMING ADJ
10033673
Date: 2010-01-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
KIA: ECM UPGRADE-DTC P0130 AND P0150 ON 2.7L ENGINE EQUIPPED. PROVIDES INFORMATION RELATED TO A ECM SOFTWARE UPGRADE OF SOME MODEL YEAR 2005-2006 VEHICLES EQUIPPED WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH ECM (ELECTRONIC CONTROL MODULE) SYSTEM RELATED DT
10033464
Date: 2009-11-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING.
KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THROTTLE CONTROL (ETC) SYSTEM RELATED DTC P2