2005 Kia Optima Electrical system Problems
- Complaints
- 29about this part
- Share
- 20%of 144 total for the year
- Median mileage
- 99,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 29 complaints about the electrical system of the 2005 Kia Optima, 20% of the 144 complaints for this model year. Where a mileage was given, the median is 99,000 miles. 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Locked car after buying it used drivers door will not unlock. Multiple complaints online about this problem. My daughter was going to drive this thing. Kia dealer did not even mention this to me, but did say it was 200 minimum. I hope this gets investigated. In an accident the door will never open. I drove the car home and after 2 hours it will not unlock.”
NHTSA complaint #10817234, filed 2015-12, 155,000 miles“After repairing the mass air flow hose,purge valve,and the valve cover gasket. It didn't pass the state inspection. I was told to drive it a little longer to put miles on the car. So I did.. After seven week going back to have it check it was still showing not ready. The merchanic there couldn't tell me what the problem and their subjested to take it to the dealer after putting 1175 miles on my car”
NHTSA complaint #11015035, filed 2017-08, 146,156 miles“I am a disabled woman who became trapped in her own car because the lock mechanism on the door would not open nor could I roll down the window. This is unacceptable. I tried to climb over the gearshift to try the passenger door and hurt my back in the process. I called 911 for help”
NHTSA complaint #10993523, filed 2017-06, 99,000 miles“My passenger side door will not unlock, and can not be opened from inside or outside of the vehicle. The only way to exit the vehicle is to either crawl out of the window or crawl over the center console. My fear is if in the event of emergency the door would not open and we would be sick in the vehicle.”
NHTSA complaint #10618806, filed 2014-08, 111,000 miles“The driver side door will not unlock from the inside or outside. I can hear the assembly trying to work, the key will unlock the other doors. This is a huge safety issue in an emergency. I called the Kia dealership iand they told me they had never heard of this with this vehicle. How many people are going to possibly lose their life in an accident,because of this defect before there is a recall.”
NHTSA complaint #10494879, filed 2013-01, 160,000 milesRelated service bulletins
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- 10033464Nov 1, 2009Kia: 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…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 14 | 9% |
| 2019 | 23 | 11% |
| 2018 | 33 | 14% |
| 2017 | 25 | 10% |
| 2016 | 104 | 14% |
| 2015 | 135 | 13% |
| 2014 | 60 | 10% |
| 2013 | 146 | 11% |
| 2012 | 122 | 13% |
| 2011 | 63 | 11% |
| 2010 | 13 | 17% |
| 2009 | 16 | 14% |
| 2008 | 15 | 10% |
| 2007 | 14 | 8% |
| 2006 | 23 | 15% |
| 2005 | 29 | 20% |
| 2004 | 45 | 20% |
| 2003 | 25 | 18% |
| 2002 | 14 | 13% |
| 2001 | 17 | 12% |
Other parts of the 2005 Kia Optima
66 complaintsAir bags
22 complaintsBody and structure
22 complaintsFuel system
10 complaintsEngine cooling
6 complaintsOther or unknown
6 complaintsExterior lighting
4 complaintsSeat belts
3 complaintsTransmission and drivetrain
3 complaintsBrakes
2 complaintsEquipment
2 complaintsSteering
2 complaints
← All problems reported for the 2005 Kia Optima
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology