11 complaints reported

2018 Kia Soul Power Train

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
11
Crashes
0
Fires
0
Injuries
0

Complaint Timeline

Chronological view of owner reports

Mar 2025

Weird shifting

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Jan 2025
Apr 2024

2018 KIA SOUL gas pedal stopped working while driving on interstate 695. On April 7, 2024 my car displayed the following warning message on the dash while I was driving on the beltway. “Transmission Temp high please stop safely”. The warning light went off, but I took my car to the Koons Kia service on April 9, 2024. A few days later I was informed by the dealer that the transmission needed to be replaced and that the engine had sludge. I was later informed that the clutch actuator also needed to be replaced. The Transmission was covered under warranty and Koons Kia allegedly did the repair. I picked my car up on April 17th. The very next day (April 18) the transmissions started making noise. I contacted the dealer on the 18th and reported the concern. They told me to bring the car back on Tuesday , April 23rd. At no time did anyone warn me of the potential safety issue. I do not know what the mechanics at Koons Kia did, but the car was worse and more dangerous after the repair. Unfortunately, on April 22,2024 while driving on interstate 695, my car started to lose power and suddenly slow down. Cars rushing by and my car would not accelerate when I applied the gas pedal. The warning message “ Transmission temp high stop safely “ appeared again. I pulled over on the shoulder until the car cooled off. This time there was a smell along with it. When the car cooled off, I slowly drove the rest of the way with my hazard lights on. I contacted Kia dealership, Kia roadside assistance, and Kia customer service. No one warned me of the extreme safety issue nor did they offer any assistance with getting me home or with getting car back to service department. My car is back at the dealership. But this is a major safety issue. The gas pedal stopped working without warning while I was on interstate 695 going well over 50mph. There were other cars zooming by. very dangerous. I could have been hurt or someone else could have been hurt.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Apr 2024
May 2023

Bought this vehicle used with 32k miles. Have experienced a judder when accelerating since we purchased it. This a known issue with Kia. I sent it to a dealership and they replaced a fuel injector and said that was the problem, it's not. Got the car back and it is still malfunctioning. This issue was reported on this vehicle previously when it was brand new. I need this issue fixed.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: May 2023
Feb 2023

Code P0507 Keep causing engine light to turn on. Replaced air filter, MAP sensor, and had throttle body relearned. Also, Alternator was said to not be working after car stalled. Alternator is not working again 1 month after proper replacement of alternator and serpentine belt. Put at risk due to stalling. Available for inspection upon request Vehicle has not been inspected at the dealership due to no appointment slots available until may 2023 No warning prior to engine light coming on and incident happened multiple times prior to engine light coming on.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Jan 2023
Jan 2022

The contact owns a 2018 Kia Soul. The contact stated while driving 45 MPH, he heard an abnormal knocking sound coming from the engine. There was no warning light illuminated. The contact pulled over and discovered a light grayish smoke coming from the engine. The contact had the vehicle towed to his residence and the next day called the dealer. The vehicle was then towed to City KIA of Greater Orlando (9550 S Orange Blossom Trl, Orlando, FL 32837). The contact was informed that since his vehicle was not serviced under a software update, they could service the vehicle under warranty. The vehicle was not repaired. The failure mileage was approximately 100,000.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: May 2022
Feb 2021

JUST BOUGHT CAR, 33,000 MILES, WAS DRIVING AND TRANSMISSION MALFUNCTIONED, INTERNAL MECHANICAL DAMAGE

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Feb 2021
Jan 2020

TL* THE CONTACT OWNS A 2018 KIA SOUL. THE CONTACT STATED THAT WHILE STOPPED AT A TRAFFIC LIGHT, THE ACCELERATOR PEDAL WAS DEPRESSED HOWEVER, THE VEHICLE HESITATED. THE CONTACT STATED THAT NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO TOWBIN KIA LOCATED AT 260 N GIBSON RD, HENDERSON, NV 89014, 702) 567-8000, 4 TIMES TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE CONTACT STATED THAT THE TRANSMISSION WAS REPLACED TWICE. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 36,269.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Aug 2018
Dec 2019

TL* THE CONTACT OWNS A 2018 KIA SOUL. WHILE THE ACCELERATOR PEDAL WAS DEPRESSED, THE VEHICLE JERKED, LOST POWER, AND THE POWER ASSIST WARNING INDICATOR ILLUMINATED. WHEN THE CONTACT TURNED OFF AND RESTARTED THE VEHICLE, IT RESUMED NORMAL OPERATION. THE VEHICLE WAS TAKEN TO WESELOH KIA CARLSBAD (5331 PASEO DEL NORTE, CARLSBAD, CA 92008, (760) 208-2237) TO BE DIAGNOSED, BUT THE CAUSE OF THE FAILURE COULD NOT BE DETERMINED. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE RECURRED MULTIPLE TIMES. THE CONTACT REFERENCED NHTSA ID NUMBER: 10162049. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THE VIN WAS NOT INCLUDED IN A RECALL. THE MANUFACTURER PROVIDED CASE NUMBER: (XXX), BUT NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS APPROXIMATELY 100. *LN*JB *LN CONSUMER STATED CLUTCH SYSTEM WAS SLIPPING AND WAS REPLACED. DEALERSHIP WOULD NOT REPLACE THE TRANSMISSION.*JB *LN MANUFACTURER CASE NUMBER (XXX) ('PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).' *JB *LN*JB

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Jun 2018
Sep 2019

TL* THE CONTACT OWNS A 2018 KIA SOUL. THE CONTACT STATED THAT THE VEHICLE INTERMITTENTLY HESITATED AFTER A STOP. THE CONTACT ALSO STATED THAT, OCCASIONALLY, THE ACCELERATOR PEDAL TRAVELED ALL THE WAY TO THE FLOORBOARD AND THE VEHICLE DID NOT ACCELERATE. THERE WAS NO WARNING INDICATOR ILLUMINATED. WHEN THE CONTACT RELEASED THE ACCELERATOR PEDAL, THE VEHICLE ACCELERATED. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO BILL BRYAN KIA (352-431-2354, LOCATED AT 9039 US-441, LEESBURG, FL 34788) WHERE THE TECHNICIAN TEST DROVE THE VEHICLE AND FOUND NO FAILURES. THE DEALER STATED THAT THE VEHICLE PERFORMED AS DESIGNED. THE TECHNICIAN CLEANED THE TURBO, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE DEALER TEST DROVE THE VEHICLE AND FOUND NO FAILURES. THE FAILURE RECURRED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 16,000.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Sep 2018
Feb 2019

TL* THE CONTACT OWNS A 2018 KIA SOUL. WHILE DRIVING APPROXIMATELY 35 MPH AND MAKING A TURN, THE VEHICLE STALLED AND THE STEERING LOST POWER. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO JIM CLICK KIA (866-376-4307, LOCATED AT 775 W WETMORE RD, TUCSON, AZ 85705), BUT THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND REFERRED THE CONTACT TO THE CONSUMER SUPPORT ACCELERATION TEAM. THE CONTACT CALLED KIA MOTORS AMERICA AT 949-468-4800 (LOCATED AT 111 PETERS CANYON RD, IRVINE, CA 92606) AND WAS PROVIDED CASE NUMBER: 13283232. THE DEALER STATED THAT THEY COULD NOT ASSIST. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 11,000.

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Mar 2019
Feb 2019

MY 2018 SOUL HAS AN AUTOMATIC TRANSMISSION AND FROM EARLY ON AFTER I BOUGHT IT "NEW" LAST YEAR "08/30/2018" THE TRANSMISSION STARTED ACTING UP FOR NO APPARENT REASON. WHAT IT DOES COMES OUT OF NOWHERE IT WILL NOT SPEED UP WHEN YOU GIVE IT THE GAS. IT HESITATES FOR JUST A BRIEF SECOND THEN IT MOVES SLOWER THAN NORMAL. THIS HAPPENS FROM A DEAD STOP AND WHILE DRIVING IN TRAFFIC TOO. IT WILL GO ALONG DRIVING PERFECTLY FOR A WHILE THEN WITHOUT ANY REASON IT WILL ACT SLUGGISH AND OR STUMBLES. IT CAN HAPPEN WHEN IT IS COLD OR WELL WARMED UP AND IN ALL TRAFFIC CONDITIONS. THE END RESULT IS IT MAKES THE CAR DANGEROUS TO DRIVE BECAUSE THE PERSON DRIVING DOES NOT EXPECT IT TO FALTER AT VERY INORDINATE TIMES. ONE TENDS TO FORGET ABOUT THE PROBLEM AND THEN BOOM YOUR HEART SKIPS A BEAT BECAUSE YOU JUST DROVE YOURSELF INTO A POTENTIALLY DANGEROUS TRAFFIC SITUATION. MY CAR NOW HAS 5,600 MILES AND THE DEALER IS JUST GIVING ME THE RUNAROUND REGARDING THE PROBLEM. I HAVE CHECKED ON THE INTERNET "KIA FORUMS" AND I AM FAR FROM THE ONLY OWNER TO HAVE THIS DANGEROUS PROBLEM. IT IS LIKE HAVING UNRELIABLE BRAKES. THE DRIVABILITY IS UNPREDICTABLE!

Type: Vehicle, Vehicle: 2018 KIA SOUL, Manufacturer: Kia America, Inc.
Incident: Jun 2019

Trend Over Time

Complaints by year

Quick Summary

The 2018 Kia Soul has 11 Power Train complaints on file. Review the timeline above for detailed owner experiences.