Problems · NHTSA complaints

2019 Kia Cadenza problems

Owners filed 5 complaints about the 2019 Kia Cadenza with NHTSA between May 2021 and Aug 2026. The most-cited component is engine (2).

Complaints
5
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine2
  2. Tires1
  3. Steering1
  4. Exterior lighting1
  5. Lane departure1
  6. Service brakes, hydraulic1
  7. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20211
20221
20230
20240
20250
20263

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine

2 reports
“While operating the vehicle, the engine suffered a catastrophic internal mechanical failure, resulting in an immediate and dangerous loss of motive power on the road. A subsequent physical diagnostic scan at an authorized Kia dealership revealed manufacturer trouble code P008800 (Fuel Rail System Pressure-Too High) along with universal engine misfire codes P030100, P030200, P030300, P030400, P030500, P030600. The dealership confirmed that the internal engine failure includes a shattered piston. Code P008800 is the primary mechanical failure indicator for active manufacturer warranty campaign WTY 0034 (High Pressure Fuel Pump Failure). The defective high pressure fuel pump suffered a primary mechanical failure, spiking fuel rail pressures to dangerous limits, causing all six cylinders to misfire, and inducing low speed pre-ignition (LSPI). This extreme combustion anomaly directly fractured the engine's internal piston. The dealership is currently attempting to clear these diagnostic trouble codes and perform an oil change, which would actively destroy the physical and electronic evidence linking the safety recalled component failure directly to the engine's…”
Owner complaint to NHTSAFiled Aug 6, 2026EngineODI 11755245

Tires

1 report
“The contact owns a 2019 Kia Cadenza. The contact stated that while driving at an undisclosed speed, several unknown warning lights illuminated. Additionally, upon starting the vehicle later, the contact noticed that there was an abnormal ticking sound coming from under the hood. The vehicle was taken to AutoZone, where the contact was informed that the diagnostic trouble code was associated with a tire sensor failure. The vehicle was not repaired. The dealer was not made aware of the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 74,000.”
Owner complaint to NHTSAFiled Jun 8, 2026Tires, EngineODI 11742797

Steering

1 report
“Hello, I wasn't notified of the recall on my vehicle. The steering wheel is extremely hard to turn and all of the system lights are on.”
Owner complaint to NHTSAFiled Aug 26, 2022Steering, Exterior lighting, Lane departureODI 11481339

Exterior lighting

1 report

Lane departure

1 report

Service brakes, hydraulic

1 report1 related recall
“TL* THE CONTACT OWNS A 2019 KIA CADENZA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 21V137000 (SERVICE BRAKES, HYDRAULIC) 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. AIRPORT KIA NAPLES (3325 WESTVIEW DR, NAPLES, FL 34104) WAS MADE AWARE OF THE ISSUE, AND INFORMED THE CONTACT THAT THE PART WAS NOT AVAILABLE UNTIL AUGUST 8, 2021. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE, AND INFORMED THE CONTACT TO GET A RENTAL VEHICLE SINCE THE PARTS WERE ON BACKORDER. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.”
Owner complaint to NHTSAFiled May 11, 2021Service brakes, hydraulicODI 11416147
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.