Kia Optima: known issues clusters
All rows for this model in the Known Issues clusters dataset, newest model year first. Each year links to its consumer page, which shows the same records with context.
| rows | 75 |
|---|---|
| model years | 2005–2020 (12) |
| data through | 2026-09-20 |
| method | /data/methodology#known-issues |
| license | CC BY 4.0 (derived) |
Vehicle pages
2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2005
Rows
| year | cluster_id | label | component_code | complaint_count | date_range | source_complaint_count | reviewed_at |
|---|---|---|---|---|---|---|---|
| 2020 | kia-optima-2020-dct-shudder | Dual-clutch transmission shudder and failure | POWER TRAIN | 10 | 2021-11 → 2026-06 | 138 | 2026-08-23 |
| 2020 | kia-optima-2020-seatbelt-alarm-fault | Seat belt alarm activates without cause | SEAT BELTS | 4 | 2022-02 → 2024-10 | 138 | 2026-08-23 |
| 2020 | kia-optima-2020-anti-theft-vulnerability | Anti-theft system vulnerable to unauthorized start | ELECTRICAL SYSTEM | 3 | 2022-07 → 2024-02 | 138 | 2026-08-23 |
| 2020 | kia-optima-2020-engine-oil-consumption | Excessive oil consumption and rod bearing engine failure | ENGINE | 96 | 2022-02 → 2026-07 | 138 | 2026-08-23 |
| 2020 | kia-optima-2020-airbag-non-deployment | Airbags fail to deploy in crash | AIR BAGS | 4 | 2020-11 → 2026-02 | 138 | 2026-08-23 |
| 2020 | kia-optima-2020-brake-fca-malfunction | Forward collision warning and brake system malfunction | SERVICE BRAKES | 7 | 2020-01 → 2024-08 | 138 | 2026-08-23 |
| 2019 | kia-optima-2019-paint-peeling | Paint peeling and bubbling on Snow White Pearl finish | STRUCTURE | 20 | 2021-12 → 2026-06 | 204 | 2026-08-20 |
| 2019 | kia-optima-2019-oil-consumption-failure | Excessive oil consumption and premature engine failure | ENGINE | 66 | 2020-02 → 2026-07 | 204 | 2026-08-20 |
| 2019 | kia-optima-2019-fca-malfunction | Forward Collision Avoidance system false activation | FORWARD COLLISION AVOIDANCE | 38 | 2020-08 → 2026-07 | 204 | 2026-08-20 |
| 2019 | kia-optima-2019-engine-fire | Engine compartment fire | ENGINE | 6 | 2022-11 → 2026-05 | 204 | 2026-08-20 |
| 2019 | kia-optima-2019-airbag-non-deployment | Airbag non-deployment in crash | AIR BAGS | 7 | 2019-10 → 2023-03 | 204 | 2026-08-20 |
| 2019 | kia-optima-2019-service-brake-failure | Service brake failure to stop | SERVICE BRAKES | 10 | 2019-11 → 2025-04 | 204 | 2026-08-20 |
| 2018 | optima-2018-brake-pedal-loses-pressure | Brake pedal loses pressure or fails to engage | SERVICE BRAKES | 7 | 2021-01 → 2026-07 | 230 | 2026-08-20 |
| 2018 | optima-2018-trunk-latch-failure | Trunk latch fails to open or close properly | UNKNOWN OR OTHER | 4 | 2022-11 → 2025-10 | 230 | 2026-08-20 |
| 2018 | optima-2018-theta-ii-oil-consumption | Excessive oil consumption and Theta II engine failure | ENGINE | 134 | 2020-09 → 2026-07 | 230 | 2026-08-20 |
| 2018 | optima-2018-engine-compartment-fire | Engine compartment fire while driving or parked | ENGINE, FIRERELATED | 5 | 2020-08 → 2024-12 | 230 | 2026-08-20 |
| 2018 | optima-2018-headlights-shutoff-auto | Headlights shut off unexpectedly in automatic mode | EXTERIOR LIGHTING | 13 | 2020-08 → 2024-10 | 230 | 2026-08-20 |
| 2018 | optima-2018-power-steering-loss | Power steering loss or lock-up while driving | STEERING | 4 | 2020-12 → 2025-12 | 230 | 2026-08-20 |
| 2018 | optima-2018-airbags-failed-to-deploy | Air bags failed to deploy in a crash | AIR BAGS | 4 | 2020-11 → 2026-07 | 230 | 2026-08-20 |
| 2017 | optima-2017-excessive-oil-consumption | Excessive engine oil consumption | ENGINE | 82 | 2021-03 → 2026-08 | 254 | 2026-08-20 |
| 2017 | optima-2017-headlight-shutoff | Headlights turning off while driving | EXTERIOR LIGHTING | 8 | 2021-03 → 2024-02 | 254 | 2026-08-20 |
| 2017 | optima-2017-transmission-shift-issues | Transmission shifting hesitation and clunking | POWER TRAIN | 5 | 2021-03 → 2023-09 | 254 | 2026-08-20 |
| 2017 | optima-2017-stall-loss-of-power-p1326 | Sudden loss of power and stalling (P1326 knock sensor) | ENGINE | 50 | 2021-08 → 2026-05 | 254 | 2026-08-20 |
| 2017 | optima-2017-engine-compartment-fire | Engine compartment fire | ENGINE | 7 | 2021-03 → 2024-06 | 254 | 2026-08-20 |
| 2017 | optima-2017-power-steering-loss | Intermittent power steering loss | STEERING | 8 | 2023-11 → 2026-06 | 254 | 2026-08-20 |
| 2017 | optima-2017-fca-false-braking | Forward collision system false braking activation | FORWARD COLLISION AVOIDANCE | 5 | 2022-09 → 2023-09 | 254 | 2026-08-20 |
| 2016 | optima-2016-excessive-oil-consumption | Excessive engine oil consumption between oil changes | ENGINE | 46 | 2024-05 → 2026-08 | 750 | 2026-08-09 |
| 2016 | optima-2016-misfire-limp-mode | Cylinder misfire, spark plug fouling, and limp mode | ENGINE | 24 | 2024-04 → 2026-07 | 750 | 2026-08-09 |
| 2016 | optima-2016-window-regulator-failure | Power window regulator failure | ELECTRICAL SYSTEM | 29 | 2024-06 → 2026-07 | 750 | 2026-08-09 |
| 2016 | optima-2016-paint-bubbling-peeling | Paint bubbling and peeling on exterior panels | STRUCTURE | 7 | 2024-07 → 2026-04 | 750 | 2026-08-09 |
| 2016 | optima-2016-roof-antenna-detachment | Roof antenna detachment while driving | STRUCTURE | 3 | 2024-12 → 2026-04 | 750 | 2026-08-09 |
| 2016 | optima-2016-engine-seizure-power-loss | Engine seizure and loss of motive power while driving | ENGINE | 55 | 2024-04 → 2026-07 | 750 | 2026-08-09 |
| 2016 | optima-2016-engine-compartment-fire | Engine compartment fire | ENGINE | 6 | 2024-05 → 2026-07 | 750 | 2026-08-09 |
| 2015 | optima-2015-engine-seizure | Engine seizure and connecting rod bearing failure | ENGINE | 70 | 2024-06 → 2026-07 | 1003 | 2026-08-05 |
| 2015 | optima-2015-paint-delamination | Paint bubbling and peeling from body panels | STRUCTURE | 28 | 2024-08 → 2026-07 | 1003 | 2026-08-05 |
| 2015 | optima-2015-limp-mode-p1326 | Limp mode with knock sensor code P1326 | POWER TRAIN, ENGINE | 9 | 2024-06 → 2026-06 | 1003 | 2026-08-05 |
| 2015 | optima-2015-stall-loss-of-power | Stalling and loss of motive power while driving | ENGINE | 17 | 2024-07 → 2026-07 | 1003 | 2026-08-05 |
| 2015 | optima-2015-engine-compartment-fire | Engine compartment fire while driving | ENGINE AND ENGINE COOLING | 18 | 2024-10 → 2026-07 | 1003 | 2026-08-05 |
| 2015 | optima-2015-abs-hecu-module | ABS/HECU module leak with brake warning lights | SERVICE BRAKES, HYDRAULIC | 8 | 2024-09 → 2026-04 | 1003 | 2026-08-05 |
| 2015 | optima-2015-excessive-oil-consumption | Excessive oil consumption between oil changes | POWER TRAIN, ENGINE | 4 | 2024-07 → 2025-12 | 1003 | 2026-08-05 |
| 2015 | optima-2015-air-bag-warning-light | Air bag warning light and clock spring failure | AIR BAGS | 5 | 2024-09 → 2026-03 | 1003 | 2026-08-05 |
| 2014 | optima-2014-steering-coupler-noise | Steering coupler noise and play | STEERING | 21 | 2022-11 → 2026-07 | 583 | 2026-09-06 |
| 2014 | optima-2014-paint-delamination | Snow White Pearl paint delamination | STRUCTURE, UNKNOWN OR OTHER | 34 | 2022-08 → 2026-01 | 583 | 2026-09-06 |
| 2014 | optima-2014-recall-parts-unavailable | Brake and fuel recall parts unavailable | SERVICE BRAKES, HYDRAULIC, FUEL SYSTEM, GASOLINE | 5 | 2022-08 → 2026-02 | 583 | 2026-09-06 |
| 2014 | optima-2014-hybrid-system-shutdown | Hybrid system shutdown warning | ENGINE, HYBRID PROPULSION SYSTEM | 7 | 2023-01 → 2025-08 | 583 | 2026-09-06 |
| 2014 | optima-2014-engine-seizure | Engine seizure and stalling | ENGINE | 75 | 2022-09 → 2026-08 | 583 | 2026-09-06 |
| 2014 | optima-2014-engine-bay-fire | Engine compartment fire | ELECTRICAL SYSTEM, ENGINE, FUEL/PROPULSION SYSTEM | 16 | 2022-09 → 2026-07 | 583 | 2026-09-06 |
| 2014 | optima-2014-airbag-nondeployment | Airbag clock spring non-deployment | AIR BAGS | 4 | 2023-10 → 2025-12 | 583 | 2026-09-06 |
| 2013 | optima-2013-steering-coupler-noise | Steering coupler noise and looseness | STEERING | 19 | 2024-05 → 2026-08 | 1381 | 2026-09-05 |
| 2013 | optima-2013-paint-delamination | Paint delamination and peeling | STRUCTURE | 16 | 2024-05 → 2026-07 | 1381 | 2026-09-05 |
| 2013 | optima-2013-hecu-brake-recall-parts | HECU brake recall parts delay | SERVICE BRAKES, HYDRAULIC | 12 | 2024-05 → 2026-04 | 1381 | 2026-09-05 |
| 2013 | optima-2013-engine-stall-seizure | Engine stalling and seizure | ENGINE | 49 | 2024-05 → 2026-05 | 1381 | 2026-09-05 |
| 2013 | optima-2013-engine-cooling-recall-stall | Engine seizure under cooling recall | ENGINE AND ENGINE COOLING | 18 | 2024-07 → 2026-08 | 1381 | 2026-09-05 |
| 2013 | optima-2013-electrical-engine-fault | Electrical fault with engine warning lights | ELECTRICAL SYSTEM, ENGINE | 7 | 2024-07 → 2026-02 | 1381 | 2026-09-05 |
| 2012 | optima-2012-brake-fluid-recall-fire | Brake fluid leak recall parts unavailable | SERVICE BRAKES, HYDRAULIC | 35 | 2023-11 → 2025-05 | 919 | 2026-09-04 |
| 2012 | optima-2012-steering-clunk-vibration | Steering clunk and vibration at low speed | STEERING | 21 | 2022-07 → 2026-07 | 919 | 2026-09-04 |
| 2012 | optima-2012-paint-delamination-chipping | Paint delamination and chipping | STRUCTURE | 6 | 2022-11 → 2025-03 | 919 | 2026-09-04 |
| 2012 | optima-2012-engine-stall-failure | Engine stall and failure while driving | ENGINE | 88 | 2022-07 → 2026-07 | 919 | 2026-09-04 |
| 2012 | optima-2012-clock-spring-airbag-horn | Clock spring failure disabling horn and airbag light | AIR BAGS | 3 | 2026-02 → 2026-05 | 919 | 2026-09-04 |
| 2011 | optima-2011-low-beam-headlight-dimming | Low-beam headlight dimming from reflector degradation | EXTERIOR LIGHTING | 34 | 2019-09 → 2026-06 | 592 | 2026-09-03 |
| 2011 | optima-2011-steering-column-coupler-noise | Steering column coupler noise and stiffness | STEERING | 14 | 2019-09 → 2024-10 | 592 | 2026-09-03 |
| 2011 | optima-2011-windshield-paint-delamination | Paint delamination above the windshield | STRUCTURE | 3 | 2022-05 → 2025-07 | 592 | 2026-09-03 |
| 2011 | optima-2011-theta-ii-engine-seizure | Theta II engine knock, seizure, and stall | ENGINE | 91 | 2019-09 → 2026-08 | 592 | 2026-09-03 |
| 2011 | optima-2011-hecu-brake-recall-fire | HECU brake-hydraulic recall fire risk with unavailable parts | SERVICE BRAKES, HYDRAULIC | 20 | 2023-11 → 2026-03 | 592 | 2026-09-03 |
| 2010 | kia-optima-2010-hard-downshift-lurch | Hard downshift and lurch near 20 mph | POWER TRAIN | 26 | 2012-02 → 2022-02 | 75 | 2026-09-07 |
| 2010 | kia-optima-2010-power-door-lock-failure | Power door lock failure | ELECTRICAL SYSTEM | 9 | 2013-04 → 2017-04 | 75 | 2026-09-07 |
| 2010 | kia-optima-2010-engine-seizure-rod-knock | Engine seizure and rod-bearing knock | ENGINE | 5 | 2021-03 → 2026-03 | 75 | 2026-09-07 |
| 2010 | kia-optima-2010-airbag-warning-light-sensor | Airbag warning light and occupant sensor replacement | AIR BAGS | 10 | 2012-10 → 2020-06 | 75 | 2026-09-07 |
| 2010 | kia-optima-2010-airbag-nondeployment-crash | Airbag non-deployment in collision | AIR BAGS | 6 | 2010-06 → 2018-07 | 75 | 2026-09-07 |
| 2010 | kia-optima-2010-engine-stall-while-driving | Engine stall while driving | ENGINE | 4 | 2016-04 → 2025-03 | 75 | 2026-09-07 |
| 2005 | kia-optima-2005-door-lock-latch-failure | Door lock and latch failure preventing entry or exit | LATCHES/LOCKS/LINKAGES | 89 | 2009-02 → 2022-06 | 144 | 2026-09-16 |
| 2005 | kia-optima-2005-fuel-tank-leak | Fuel tank leak | FUEL SYSTEM, GASOLINE | 10 | 2008-04 → 2012-02 | 144 | 2026-09-16 |
| 2005 | kia-optima-2005-airbag-warning-light | Air bag warning light illumination | AIR BAGS | 15 | 2008-03 → 2017-06 | 144 | 2026-09-16 |
| 2005 | kia-optima-2005-airbag-nondeployment-crash | Air bag non-deployment in a crash | AIR BAGS | 6 | 2005-09 → 2009-11 | 144 | 2026-09-16 |
| 2005 | kia-optima-2005-engine-stall-without-warning | Engine stalling without warning | ENGINE AND ENGINE COOLING | 4 | 2006-09 → 2011-10 | 144 | 2026-09-16 |
Representative quotes are in the CSV and JSON files (fields quote_1_odi … quote_3_text), and on each vehicle page.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). Known Issues clusters — Kia Optima [dataset]. https://www.wrench.pro/data/known-issues/kia/optima
@misc{wrenchpro_known_issues_kia_optima_2026,
author = {Wrench.Pro},
title = {Wrench.Pro Known Issues clusters: Kia Optima},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/known-issues/kia/optima}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}hub · known-issues · methodology · license · research (interpretation)