Home · 2015 Kia Soul EV · Complaints

What 898 owners told NHTSA about the 2015 Kia Soul EV

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (898)Crash / fire / injury (118)Engine (625)Fuel system (78)Electrical system (76)Transmission & drivetrain (62)Engine & cooling (57)Steering (44)Lights (36)Brakes (31)Speed control (31)Airbags (20)

57 of 898 complaints match · Engine & cooling · clear filters · page 1 of 3

Jun 18, 2026Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while driving 40 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended, with the check engine warning light illuminated. The vehicle was towed to the dealer where it was diagnosed with knock sensor failure, valve cover gasket failure, and an inoperable oil pan. The contact was informed that the knock sensor, valve cover gasket and oil pan needed to be replaced. The vehicle was repaired. The vehicle was released to the contact. The contact stated that within two minutes after leaving the dealer, the failure reoccurred. The check engine warning light illuminated and the engine sputtered. The vehicle was taken back to the dealer where it was diagnosed with a clogged catalytic convertor. The contact was informed that the catalytic convertor needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 118,981.

NHTSA ODI 11745028

Apr 1, 2026Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that the vehicle was repaired under NHTSA Campaign: 19V120000 (Engine, Engine and Engine Cooling); however, the repair failed to prevent the failure. The contact stated that while driving at an undisclosed speed, the vehicle lost automotive power while the accelerator pedal was depressed. The vehicle was taken to an independent mechanic, where it was diagnosed with a misfire in cylinders #1 through #4; the ignition coils were replaced. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken to the local dealer, and the dealer determined that the failure was caused by a lack of vehicle maintenance. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 99,912.

NHTSA ODI 11728455

Mar 27, 2026Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that upon purchasing the vehicle and driving to the residence, the check engine warning light illuminated. The contact used a code reader and retrieved DTC: P0420 (Catalytic Converter). The contact called the dealer and was informed that the vehicle was included in NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling); and four other recalls. The vehicle remained with the dealer for approximately 4 days before the contact was informed that the VIN was not under recall. The contact was provided with an estimate for the repairs. The manufacturer was notified of the failure but offered no assistance; however, the contact was provided a case number. The vehicle was not repaired. The failure mileage was approximately 145,000.

NHTSA ODI 11727424

Mar 3, 2026Engine & coolingEngine

The contact owns a 2015 Kia Soul. While driving at an undisclosed speed, the check engine warning light illuminated, indicating a failure with the catalytic converter. The vehicle was taken to an independent mechanic, where it was diagnosed, and the mechanic associated the failure with NHTSA ID Number: 19V120000 (Engine, Engine and Engine Cooling). The vehicle was then taken to the dealer for the recall repair. Approximately 20,000 miles later, the failure reoccurred, and the vehicle was returned to the independent mechanic. The mechanic stated that the failure had reoccurred and informed the contact that the parts were possibly not repaired or replaced during the recall repair. The failure reoccurred three times. The dealer was notified of the failure, but the vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 200,900.

NHTSA ODI 11721691

Feb 25, 2026Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while driving approximately 70 MPH, the vehicle started losing motive power. The check engine warning light was illuminated, and the vehicle stalled. The vehicle was restarted, but was sputtering and making abnormal sounds. The contact stated that the floorboard became very hot. The vehicle was towed to a local dealer to be diagnosed, and it was determined that the catalytic converter needed to be replaced. The vehicle was not repaired. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling); prior to the most recent failure with the catalytic converter. The contact stated that the catalytic converter was replaced three times. The manufacturer was informed of the failure. The failure mileage was approximately 101,000.

NHTSA ODI 11720424

Nov 24, 2025Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while her daughter was driving 20 MPH, the vehicle lost motive power and stalled. There were no warning lights illuminated. The contact received notification of NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The vehicle was towed to the contact's residence. The vehicle was then towed to the local dealer, where it was diagnosed and determined that three cylinders were misfiring. The vehicle was not repaired. The vehicle was towed back to the contact's residence. The manufacturer was not notified of the failure. The failure mileage was approximately 164,410.

NHTSA ODI 11701261

Jun 10, 2025Engine & coolingTransmission & drivetrain

The contact owns a 2015 Kia Soul. The contact stated while driving approximately 60 MPH, the transmission unexpectedly downshifted, and the vehicle decelerated while the accelerator pedal was depressed. No warning light was illuminated. In addition, while driving approximately 40 MPH, the vehicle failed to accelerate as intended while the accelerator pedal was depressed. The vehicle was taken to a local independent mechanic to be diagnosed. The vehicle was diagnosed with engine failure. The vehicle was taken to a local dealer for a second opinion, and the vehicle was diagnosed and determined that the catalytic converter needed to be replaced. The vehicle remained with the local dealer but was not repaired due to the cost. The manufacturer was made aware of the failure. The failure mileage was approximately 77,000.

NHTSA ODI 11666048

May 7, 2025Engine & cooling

The contact owns a 2015 Kia Soul. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. The engine misfired and the transmission shuttered. In addition, the check engine warning light illuminated. The vehicle was driven to the shoulder of the road. The engine seized. The vehicle was towed to the dealer where it was diagnosed with a failed catalytic converter. The contact was informed that the catalytic converter needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 105,000.

NHTSA ODI 11659455

Apr 28, 2025Engine & coolingSeat belts

The contact owns a 2015 Kia Soul. The contact stated that the front passenger’s seat belt failed to latch and lock securely. The rear middle seat belt was difficult to close. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the oxygen sensor and catalytic converter were replaced; however, the failure recurred. The vehicle was taken to an independent mechanic who referred the contact to the dealer. The manufacturer was contacted, and informed the contact that a diagnostic test was needed. The failure mileage was 104,000.

NHTSA ODI 11657147

Mar 4, 2025Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that the check engine warning light was illuminated intermittently. The contact received notification of NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling); and the Catalytic Overheating Protection Engine Control Unit logic was updated to prevent overheating of the catalytic converter. After the recall repair was completed, the failure persisted. The contact took the vehicle to a certified mechanic, who diagnosed that the catalytic converter needed to be cleaned. The vehicle was not repaired. The check engine warning light remained constantly illuminated. The manufacturer was not informed of the failure. The failure mileage was 115,000.

NHTSA ODI 11646160

Feb 27, 2025Engine & coolingFire

See attached document for complaint.

NHTSA ODI 11645317

Jan 23, 2025Engine & cooling

The contact owns a 2015 Kia Soul. The contact stated while driving approximately 45 MPH, the vehicle was bucking and lurching forward. The contact stated that the check engine warning light was illuminated. The contact stated that the failure recently occurred while driving and the vehicle was lurching while depressing the accelerator pedal. The contact had taken the vehicle to an independent mechanic where it was diagnosed and determined that the catalytic converter needed to be replaced. The mechanic referred the contact to a dealer after relating the failure to NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The contact searched the VIN online and found that the VIN was not included in the recall. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was 92,881.

NHTSA ODI 11637866

Nov 5, 2024Engine & cooling

The contact owns a 2015 Kia Soul. The contact stated while driving at an undisclosed speed, the vehicle stalled with no warning light illuminated. The contact noticed a knocking sound coming from the engine. The vehicle was able to restart however the failure recurred. The vehicle was taken to the dealer where it was diagnosed that the Catalytic Overheating Protection Engine Control Unit had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the issue and a case was opened. The vehicle was not repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not included in NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The approximate failure mileage was 96,643.

NHTSA ODI 11623685

Oct 29, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while driving 30 MPH, there was an abnormal sound coming from the engine. The vehicle was driven to an independent mechanic and was diagnosed with catalytic converter failure. The contact was informed that the catalytic converter needed to be replaced. The vehicle was not repaired. The VIN was not included in NHTSA Campaign Number: 19V120000 (ENGINE, ENGINE AND ENGINE COOLING). The manufacturer was not notified of the failure. The failure mileage was 150,000.

NHTSA ODI 11622471

Jun 14, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated while driving 55 MPH, the vehicle inadvertently went into LIMP Mode. The contact was able to pull to the shoulder of the roadway, where the vehicle was able to be restarted. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the catalytic converter. The vehicle was repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling) but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 104,000.

NHTSA ODI 11594365

Apr 12, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact was notified of NHTSA Campaign Number: 19V120000 (Engine, Engine, and Engine Cooling) however, the vehicle experienced a failure related to the recall. The contact stated while driving at various speeds, the check engine warning light illuminated. The vehicle was taken to the independent mechanic where it was diagnosed with catalytic converter failure and recommended that the vehicle was taken to the dealer. The vehicle was taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 75,822.

NHTSA ODI 11582652

Apr 8, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while driving at various speeds, an abnormal rumbling sound was coming from the vehicle. The check engine warning light was illuminated. The vehicle was initially taken to an independent mechanic where it was confirmed that there was a defect with the engine. Upon investigation, the contact discovered NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling) which was linked to the failure. The contact then stated that while driving 60 MPH, the vehicle experienced engine failure. The vehicle was then towed to an independent mechanic where the engine failure was confirmed. The contact was also referred to the dealer for assistance. The vehicle was towed to the dealer where the contact was informed that the vehicle was not included in NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The manufacturer was notified of the failure and was informed that since a prior unknown recall repair was not performed; the engine recall would not be honored. The vehicle was not repaired and remained in the possession of the dealer. The failure mileage was approximately 115,000.

NHTSA ODI 11581771

Apr 1, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated while driving at various speeds and depressing the accelerator pedal, the engine would rev up loudly emitting a vibrating noise. About 3 months after having the vehicle repaired, while driving approximately 30-40 MPH, the battery warning light and the oil warning light illuminated, and the vehicle stalled shortly afterward. After waiting for a while, the contact was able to restart the vehicle; however, the contact was only able to drive for a short while before the failure recurred. The contact stated after having the vehicle inspected, there was smoke coming from underneath the hood and the tailpipe intermittently that dissipated while driving. A loud vibrating noise was emitted from the vehicle while driving at various speeds. The vehicle was taken to a muffler shop after noticing the loud vibrating sounds and it was determined that the muffler was loosened and needed to be reattached. The contact had also taken the vehicle to an independent mechanic due to the vehicle continuing to run roughly and it was determined that cylinder #1 was misfiring. Additionally, the oil level was extremely low. The mechanic was unable to determine where the leak was coming from. The ignition coils were replaced. The contact stated that a friend diagnosed the vehicle and retrieved a code that cylinder #4 was misfiring after the coils were replaced. The friend also informed the contact that the failure was related to NHTSA Campaign Number 19V120000 (Engine, Engine, and Engine Cooling). The vehicle was taken to the dealer where it was diagnosed that the engine had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and confirmed that VIN was not included in a recall nor covered under warranty. The failure mileage was 178,000.

NHTSA ODI 11580384

Feb 29, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated while driving 40 MPH and depressing the accelerator pedal, the vehicle revved up but failed to respond as needed. The contact stated that the vehicle was leaking engine oil. The contact added oil to the vehicle. The check engine warning light was illuminated and flickering. The vehicle was taken to an independent mechanic, and the contact was informed that the failure was due to engine failure and performed unknown repairs. The vehicle was taken to the local dealer but was not diagnosed or repaired. The contact stated that the failure was related to NHTSA Campaign Number: 20V750000 (Engine). The manufacturer was contacted and referred the contact to another local dealer. The failure mileage was unknown.

NHTSA ODI 11574634

Jan 23, 2024Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated that while attempting to accelerate, the vehicle failed to respond as needed. The vehicle was also consuming excessive amounts of engine oil. The check engine light had illuminated. The contact stated the failure persisted after the engine had been replaced. The contact believed that the failure was related to NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The vehicle was taken to the dealer where it was diagnosed and determined that the engine was failing due to the pistons being worn. The engine had been replaced when the vehicle was taken to the dealer after the first failure. The vehicle was then returned to the dealer after the failure persisted and it was diagnosed that the catalytic converter had failed and needed to be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure, and it was confirmed that the VIN was not included in NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling) and a case was filed. The contact was referred to the dealer for assistance. The failure mileage was 120,000.

NHTSA ODI 11567207

Nov 17, 2023Engine & cooling

The contact owns a 2015 Kia Soul. The contact stated while driving 30 MPH, the vehicle failed to accelerate and independently decelerated to 20 MPH. No warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the failure was due to metal shavings in the oil. The vehicle had not been repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not included in a recall. The failure mileage was approximately 62,000

NHTSA ODI 11555660

Sep 27, 2023EngineEngine & cooling

My 2015 Kia Soul + is only at 68,000 miles and is burning oil. It is using synthetic oil and had to add 2 quarts and then again another quart before I brought it in to KIa dealer needing oil again way before the suggested 5000 miles. They want me to write down more specific mileage before they willing to check the problem.

NHTSA ODI 11546831

Aug 16, 2023Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated while driving at various speeds, there was a rattling sound present coming from the engine compartment. The vehicle failed to properly accelerate, and the vehicle stalled on several occasions. Additionally, the vehicle had experienced excessive oil consumption. The vehicle was diagnosed at the local dealer and determined that the catalytic converter was clogged and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 120,000.

NHTSA ODI 11538822

Aug 4, 2023Engine & coolingEngine

The contact owns a 2015 Kia Soul. The contact stated while driving at an undisclosed speed, the vehicle started overheating and the vehicle lost motive power. The contact was able to coast to the side of the road and saw smoke coming from the engine compartment. The check engine warning light was illuminated. The vehicle was towed to the dealer, who determined that the vehicle had experienced engine failure. The contact was informed that the engine needed to be replaced. The vehicle was repaired, but the failure reoccurred. The contact related the failure to NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling) and the VIN was included; however, the dealer declined the repair. The manufacturer was notified of the failure but was unable to assist. The failure mileage was 112,630.

NHTSA ODI 11536501

Mar 13, 2023Engine & cooling

The contact owns a 2015 Kia soul. The contact stated that while driving at an unknown speed, the check engine warning light illuminated. The contact stated that the vehicle was driven to an independent mechanic to be diagnosed. The mechanic determined that the vehicle had experienced failures with the oxygen sensor and catalytic converter. The contact stated that the vehicle was then diagnosed by another independent mechanic who confirmed the failure. The vehicle was repaired but the failure persisted. The manufacturer was not notified of the failure. The failure mileage was 135,000.

NHTSA ODI 11511603

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Working with the data? Download all 898 complaints as CSV · fetched from NHTSA July 28, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Kia Soul EV verdict →