2016 Kia Soul

I am filing a formal safety compliance complaint regarding my 2016 Kia Soul (1.6L GDI engine) and a structural failure of the exhaust/catalytic converter system related to NHTSA Campaign 19V120000 / Recall SC176. The vehicle has thrown a persistent P0420 Check Engine Code (Catalyst System Efficiency Below Threshold) and is experiencing unsafe driving conditions, including severe power loss and sudden engine stalling in active traffic. Authorized franchise Valley Kia of Modesto has refused to honor the safety recall framework. They have denied federal compliance by refusing to perform the mandated exhaust inspections, engine combustion tests, or hardware replacement under the open recall guidelines, falsely claiming prior software updates absolve them of replacing the failed physical hardware. Corporate Case #26299283 was opened on August 19, 2026, but the franchise continues to operate in complete non-compliance with federal motor vehicle safety standards, leaving an active fire and stalling hazard unresolved.

My 2016 Kia Soul with the 1.6L GDI engine lost power. On 08/21/2026 at 107,547 miles I took it to Grand Kia, 1950 West 104th Avenue, Thornton, Colorado, repair order 137483, service advisor Patricia Palmas. The dealer performed a cylinder compression test and a leak-down test and documented on the repair order that the engine has scored cylinder walls, with cylinder number 3 identified as the affected cylinder. They also performed a rod bearing clearance test, which passed. They pulled down the exhaust to inspect the downstream catalytic converter and recorded that inspection as okay. They noted new spark plugs with no signs of fouling. Despite recording scored cylinder walls on their own repair order, the dealer told me the vehicle was fine and took no further action. No diagnostic trouble code was present. I was not given a written reason for the refusal, no technical assistance or Techline case was opened that I am aware of, and no engine inspection under any campaign was offered. I was charged nothing and sent away with a vehicle that has documented internal engine damage. This vehicle is within the population covered by Kia safety recall SC176 (NHTSA campaign 19V120), which covers all 2012-2016 model year Souls with the 1.6L GDI engine. That recall describes a failure mode in which the catalytic converter is damaged by overheating, substrate particles enter the engine combustion chamber, and continuous abnormal combustion results in damage to one or more of the engine's pistons, which can cause connecting rod breakage and puncture the engine block, allowing oil to contact hot exhaust surfaces. The stated remedy includes upgrading the ECU logic, replacing the catalytic converter if damaged, and replacing the engine depending on the extent of damage. Scored cylinder walls on a single cylinder is consistent with the damage mechanism that recall describes. The recall states there are no restrictions on owner eligibility. Nevertheless, no evaluation under SC176

The contact's grandmother owns a 2016 Kia Soul. The contact stated that while his grandmother was driving at an undisclosed speed, the engine overheated. No warning lights were illuminated. The contact stated that due to the failure and the outside temperatures, his grandmother was stuck inside the inoperable vehicle. The contact's grandmother sustained a heat stroke while waiting for assistance. The contact's grandmother was transported to the hospital. The vehicle was taken to Firestone, where DTC: P0420 and P0302 were retrieved. The contact was informed that the codes indicated an engine misfire. While driving to Firestone, the failure reoccurred, and the vehicle stalled. The contact was advised to take the vehicle to the dealer for assistance. The vehicle was towed to the dealer; however, the failure was not duplicated. In addition, the vehicle was repaired under NHTSA Campaign Number: 19V120000 (Engine, Engine and Engine Cooling); in 2021. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 59,242.

Engine block had been replaced due to recall and excessive oil consumption, but vehicle is doing this again. Local dealership refuses to give appt for oil check and is sending us 55 miles away. We’re told it will be about 1k to test it for fuel combustion and oil change before they can even test it. Replacement engine block failed to fix the issue and local Kia is not helpful.

My 2016 Kia Soul is a 2.0L Gasoline Direct Injection engine. 1 prior recall for Kia Souls have occurred, which is seemingly identical to my issue. Recall SC176 addresses Kia Souls with the 1.6L engine, and it just so happens my issue is the same. Kia also issued a response to knock issues with the Soul 2.0L MPI engine, the KSDS Campaign, where Kia rolled out the Knock Sensor Detection System software update (Campaign SC200) to monitor for connecting rod bearing. I have the GDI so this was not available to me. The catalytic converter is damaged from piston corrosion. The engine hasn't been properly powering the car to allow it to accelerate, nearing stall from stop, and when trying to upshifting. Power loss combines with a regular whistling noise, and occasional knock noise. Kia has been having similar issues with their varying Soul models. They have attempted to limit the scope of what fixes they'll provide, but clearly the scope was not broad enough. The first symptom of this issue occurred several months ago, at which point I made an appointment asap with Kia, the soonest of which was almost 2 months later.

Check engine light came on and car was out of oil even though an oil change was done about a month ago. Catalytic converter was replaced once already. Per mechanic excess heat caused out to leak catalytic converter needs replacing again and now engine is damaged as all engine oil leaks out where it cannot be detected on ground. Danger of fire according to recall sc176 and mechanic. Car was smoking so it has been parked for safety to avoid fire

The contact owns a 2016 Kia Soul. The contact stated that while the vehicle was parked, it was started, and there was smoke coming from the engine compartment. The vehicle was turned off to stop the smoking. The check engine warning light was illuminated. The vehicle was towed to a dealer, where it was diagnosed, and it was determined that the engine needed to be replaced. The vehicle was not repaired. The contact researched and became aware of an unknown recall; however, the VIN was not under recall. The manufacturer was not notified of the failure. The failure mileage was approximately 140,000.

The contact owns a 2016 Kia Soul. The contact stated that while his wife was driving 35 MPH, the brakes became inoperable. The contact’s husband, who is an independent mechanic, inspected the vehicle and became aware that the brake fluid lines were rusted and ruptured underneath the middle of the vehicle. The contact stated that brake fluid was added but the brake pedal was mushy while depressed. The brake warning light was illuminated after the failure. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 40,000.

What component or system failed or malfunctioned, and is it available for inspection upon request? The vehicle is a 2016 Kia Soul 1.6L GDI with approximately 83,000 miles. The vehicle experienced engine performance issues, loss of power, and stalling. A Kia dealership diagnosed a failed/melted catalytic converter and reported metal shavings in the engine oil. The vehicle has not been repaired and is available for inspection upon request. How was your safety or the safety of others put at risk? The vehicle stalls and loses power, creating a safety hazard while driving in traffic. A sudden loss of power increases the risk of being struck by another vehicle and makes it difficult to safely maintain speed, merge, or cross intersections. Because the vehicle is unreliable and may stall unexpectedly, I do not consider it safe to operate. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. The condition was confirmed by an authorized Kia dealership. The dealership diagnosed a clogged/melted catalytic converter and reported metal shavings in the engine oil. The dealership advised that the catalytic converter must be replaced before they would perform further engine diagnosis. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? The vehicle was inspected by an authorized Kia dealership. Kia Customer Care was notified of the issue and reviewed the claim but declined assistance. To my knowledge, the vehicle has not been inspected by a Kia field engineer, police agency, or insurance investigator. Were there any warning lamps, messages, or other symptoms prior to the failure, and when did they first appear? Yes. The vehicle experienced drivability issues, loss of power, and check engine light illumination. Diagnostic trouble codes reported included P0420, P2191, and P2196. The symptoms progressively worsened and eventually resulted in severe performance issues and stalling.