According to Au7o's analysis of 1,434+ owner reports, the 2002-2021 Kia Sedona has 19 documented known issues, with 9 rated critical. The most serious are Out-of-Spec Shift Lock Holder Lets the Shifter Leave Park Without the Brake — Rollaway ($0-$0 repair), 3.3L Lambda II GDI Oil Consumption Progressing to Rod Knock and Sudden Loss of Motive Power ($900-$8,500 repair), Air Bag Control Unit May Short Circuit, Disabling Front Air Bags and Seat Belt Pretensioners, First-Generation Overheating: Rotted Rear Heater Pipes and Porous Cylinder Head Castings ($150-$2,500 repair), ABS Hydraulic Electronic Control Unit Short Circuit — Engine-Compartment Fire With the Van Parked ($0-$0 repair), Fuel Rail Heat-Induced Cracking and Fuel Leak (2011-2012) ($0-$0 repair), Occupant Detection System Wiring Harness Fractures Under the Front Passenger Seat ($0-$900 repair), Front Lower Control Arm Corrosion Fracture (Salt-Belt Recall, Twice Expanded) ($0-$700 repair) and INFAC Stop Lamp Switch Sticking — No Brake Lights, Cruise Won't Cancel, Shifter Stuck in Park ($0-$150 repair). The most commonly reported issue is Power Sliding Door Cable Fraying and Failure with 589 owner reports. Across all issues with published estimates, repair costs range from $150 to $8,500. DIY maintenance guides at au7o.io.