2019 Kia Cadenza problems

Filed Aug 6, 2026 · Engine · SC

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 catastrophic destruction. This component failure poses a severe stall hazard and a risk of total engine failure while operating at highway speeds. Photographic proof of the official dealer diagnostic report has been preserved.

Filed Jun 17, 2026 · TX

I picked up my Cadenza from the repair shop. They were repairing the sunroof controls because the sunroof was not operating properly. I was 24 miles away from the shop headed home from Temple, TX to Waxahachie, TX on [XXX]. It sounded like a shotgun was fired right above my head and scared me. I am surprised I didn't crash. I pulled over and the sunroof had a 2 foot hole in it. The shade was in the shut position so no glass made into the cab. No rock or any debris hit the vehicle. My mom was driving behind me and she said she saw a huge chunk of glass fly up from my car and hit her car. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 8, 2026 · Engine, Tires · 74,000 miles · LA

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.

Filed Aug 26, 2022 · Driver assistance, Lights · AL

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.

Filed May 11, 2021 · Brakes · FL

Tl* the contact owns a 2019 kia cadenza. The contact received notification of the federal safety agency 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.