2017 KIA NIRO Power Train Problems

12 complaints about Power Train

12
Complaints
1
Crashes
1
Fires
0
Deaths

High Severity Issue

This component has been associated with crashes, fires, or deaths.

This Problem Across All Years

All Power Train Complaints (12)

Jan 7, 2026

When I was driving, a propulsion system warning went off. Then a malfunction in the vehicle’s powertrain/propulsion system lit up on the GPS screen. Shortly afterward, the engine began smoking, and a loud popping sound occurred simultaneously. The vehicle then experienced a sudden loss of propulsion, requiring me to pull over immediately to avoid a hazardous situation. An authorized Kia dealer subsequently diagnosed a blown head gasket with internal coolant intrusion, confirming an internal powertrain failure consistent with propulsion system malfunction, and the vehicle became inoperable. The vehicle was inspected in October and the loss-of-propulsion failure occurred in December.

Jul 18, 2025

I am experiencing engine issues with my 2017 Kia Niro Touring Launch Edition at approximately 111,000 miles, including engine hesitation and lack of acceleration, along with engine code P0011. These symptoms started suddenly and have made highway driving difficult and potentially unsafe, as I was recently in the mountains unable to exceed 35 mph. This appears to be a widespread issue among 2017 Kia Niro owners, with many reporting CVVT (Continuously Variable Valve Timing) or solenoid failures around 100,000 miles shortly after the powertrain warranty expires suggesting a pattern of premature failure. My car was purchased certified preowned and is still within the 10 year timeframe. No official recall currently exists for this issue, but it should be investigated. Despite submitting service requests and making multiple attempts to contact the dealership to have these recalls addressed, I have received little to no follow up. I have not yet had the engine issue officially diagnosed by a Kia dealer due to lack of response but the pattern of failure and symptoms match what others are experiencing. There has been no crash, fire, or injury at this time, but the combination of the existing fire related recalls and the new engine malfunction creates serious concerns for long term safety and reliability.

Sep 18, 2024

I received a warning indication that the engine temperature is too hot while driving the vehicle to work. I opened the hood of my vehicle and discovered the vehicle’s coolant reservoir was empty which led me to believe there was a coolant leak. I took the vehicle to be inspected and diagnosed by an independent repair shop (non-dealership) and it was explained that there was in fact a coolant leak and it’s because the exhaust heater exchanger is failing. This is a serious safety concern because if there is a coolant leak the vehicle’s engine can overheat causing further and extensive damage to the engine which could result in a fire. Based on research, there have been other cases where this particular year/model vehicle has had or is experiencing issues with the exhaust heater exchange failing. This faulty system is causing customers who own the same year/model vehicle that I drive to either bypass the exhaust heater exchange all together—which I don’t believe is safe to do—or customers are being made to pay a huge bill just to repair the faulty system. My vehicle only has 73,000 miles and this is something that I should not be experiencing especially since Kia is aware of the fault with the exhaust heater exchange on these particular year/model vehicles. Kia should be recalling these vehicles with the faulty system for diagnosis and repair as this is a major safety concern on the road not only for the driver, but also for other motorists as well.

Apr 29, 2024 Fire

The contact owned a 2017 Kia Niro. The contact stated that while driving at an undisclosed speed, the temperature gauge began to indicate that the vehicle was overheating. The contact then observed smoke emanating from the engine compartment. The contact was able to pull to the shoulder of the roadway, where the vehicle soon became engulfed in flames. Local emergency services arrived and were able to extinguish the flames. No warning lights were illuminated. The vehicle was towed to a tow yard and deemed a total loss by the contact's insurance provider. A fire report was filed. A police report was also filed, with no injuries reported. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 23V534000 (Engine), and the VIN was included, but the vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.

Mar 18, 2024

The contact owns a 2017 Kia Niro. The contact received notification of NHTSA Campaign Number: 23V534000 (Power Train) however, the part to do the recall repair was not yet available. The contact stated that the HEV warning light was illuminated. Additionally, the contact stated while driving 35-40 MPH and depressing the accelerator pedal, the vehicle failed to respond and lost motive power. The contact was able to veer to the side of the road. The contact was able to restart the vehicle, but the vehicle failed to respond while depressing the accelerator pedal. The vehicle was towed to the dealer, where it was diagnosed, and the dealer determined that the failure was related to the recall. The dealer informed the contact that the recall repair part was not yet available. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure, and a case was opened. The failure mileage was approximately 134,000. Parts distribution disconnect.

Mileage: 134,000

Mar 1, 2024

The contact owns a 2017 Kia Niro. The contact received notification of NHTSA Campaign Number: 23V534000 (Power Train) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.

Feb 21, 2024

The contact owns a 2017 Kia Niro. The contact received notification of NHTSA Campaign Number: 23V534000 (Power Train) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.

Feb 5, 2024

The contact owns a 2017 Kia Niro. The contact received notification of NHTSA Campaign Number: 23V534000 (Power Train) however, the part to do the recall repair was not yet available. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had experienced a strong electrical burning odor inside the cabin of the vehicle. The contact stated that the front passenger’s side wheel well had melted and collapsed. The cause of the failure was not yet determined. The local dealer was notified of the failure. The failure mileage was 91,760. VIN tool confirms parts not available.

Mileage: 91,760

Dec 27, 2023

The contact's daughter owns a 2017 Kia Niro. The contact stated that while her daughter was driving at an undisclosed speed, the Check Hybrid System, Turn Off Engine message displayed, and the HEV warning light illuminated. The vehicle then stalled. The vehicle was towed to the dealer, where it was diagnosed and determined that the engine and battery needed to be replaced. The vehicle was then towed to an independent mechanic, who determined that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 120,787.

Mileage: 120,787

Oct 20, 2023

Hybrid System Failure due to overheating Overheating due to coolant leak into resorvoir My car started having white smoke come from exhaust during driving Took to the repair shop, repaired the coolant reservoir next day, same issue took back to the service tech stated they couldn't find the leak, but the reservoir was empty. Took the car for a second opinion, the service people had my car all day, after picking up, was told by the repairman that it was the engine and KIA is aware of it. Stated he is unable to help and I should take the car to a KIA dealer For weeks the car was still blowing smoke Took the car to KIA of Stamford Had the car for a few hours, tech said coolant leak and I will need to replace the part which is 3000, advised there is a bypass method on the internet for NIRO owners with the same issue online, and I was told they will not do the bypass due to emission laws. Advised my car should be covered under Emissions warranty, and was told it does not cover the part. Advised the service man this should be covered under my 100,000 warranty with KIA, which is what I was sold, and was told this is not the case, and I wasn't covered. Advised KIA I have an extended warranty with WIZ autos where i purchased the car. Spoke to the warranty department and was told it wasn't covered under their warranty either. May 2023 While driving I saw white smoke, my car began to overheat and I tried to pull over, when I pulled over the car would not drive. HYBRID System Malfunction The car has been with Wiz autos and they are now telling me the repairs will cost $5,800 There are many people online suffering because of this defect. There are reports online that once fixed, the issue returns months later. Wiz autos is asking me to pay 6000 for a repair and 3 month warranty on the part. Issue: Coolant leak is causing issues that affect the safety of drivers, as well as destroys their vehicles and KIA Motors has been the worst to work with.

Dec 7, 2022

Back seat got warm & later that morning car engine would not start but lights in vehicle came on. Appt made w/dealer who after a week hadn't done diagnostics nor checked battery & main hybrid fuse as I had requested. I towed to a service garage who upon starting to open the box covering battery, found battery had kindof exploded & bulged. I searched online for recalls on 12/7/22 and found a recall 11/10/22 -22V836000 (KIAs # is SC256) which is "Main Relay within Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance, which can overheat the rear seats." "This recall supersedes NHTSA recall number 18V-666. Vehicles already repaired under the previous recall will need to have the new remedy completed" I have receipt showing I had did the 1st recall but the recall is not showing up when I search my VIN#. Kia has found some dealers lied & never replaced the part they said they did. My car will be towed tomorrow to a KIA dealer who will look into this issue & what my battery looks like. No warning lights came on prior to the engine not starting. I called KIA cust service for recalls this morning 12/7 and they were no help to me at all seeing the recall isnt showing under my VIN number.

Aug 4, 2020 Crash

WHILE PARKED AND ENGINE OFF, THE TRANSMISSION SLIPPED OUT OF PARK AND ROLLED BACK INTO ANOTHER VEHICLE. NO ONE WAS IN THE VEHICLE AT THE TIME. WHEN I RETURNED TO THE VEHICLE, IT WAS STILL SHOWING IT IN PARK AND OFF.

Mileage: 37,000