2017 Kia Optima Hybrid Engine cooling Problems
- Complaints
- 1about this part
- Share
- 4%of 26 total for the year
- Median mileage
- 115,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2017 Kia Optima Hybrid, 4% of the 26 complaints for this model year. Where a mileage was given, the median is 115,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2017 Kia Optima Hybrid. The contact stated that while driving on the highway at 70 MPH, there was an abnormal amount of smoke coming from underneath the vehicle. The contact stated that DTC: P1326 was displayed on the instrument panel, with the message, “For Your Safety – Please Pull Over” displayed. The contact pulled over and opened the hood and there was a green liquid sizzling on the heat on top of the engine. The vehicle was towed to a local dealer where it was inspected; however, the vehicle was not diagnosed. …”
NHTSA complaint #11642636, filed 2025-02, 115,000 milesRelated service bulletins
- 10220346Sep 16, 2022TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated…
- 10188137Feb 24, 2021PITSTOP/TECHNICAL OPERATIONS - SMOKE MACHINE NOT TO BE USED FOR EMISSIONS TESTING WITH HEV/PHEV MODELS - This Pitstop provides information to properly test the evaporative…
- 10183333Nov 25, 2020TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information…
- 10183332Nov 4, 2020TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information…
- 10168850Nov 26, 2019TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin…
- 10167214Oct 14, 2019PITSTOP: LOWER ENGINE SERVICE COVER BOLT LOCATIONS - This Pitstop provides information on the correct bolt location of the lower engine service cover on 2016-2020MY Optima 2.4L…
- 10133170Mar 2, 2018PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned…
- 10116108Jun 19, 2017PITSTOP: ?FILL INVERTER COOLANT? MESSAGE AFTER REPAIR - Some technicians may report seeing the ?fill inverter coolant? message on the cluster after performing an HEV system…
Engine cooling: other model years
Other parts of the 2017 Kia Optima Hybrid
16 complaintsElectrical system
6 complaintsOther or unknown
5 complaintsBrakes
4 complaintsTransmission and drivetrain
3 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsHybrid propulsion system
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2017 Kia Optima Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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