According to Au7o's analysis of 134+ owner reports, the 2010-2023 Kia Soul has 15 documented known issues, with 13 rated critical. The most serious are Steering Pinion Gear Separation (Loss of Steering), Catalytic Converter Overheating and Engine Piston Damage, On-Board Charger (OBC) Failure — AC Level 1 and Level 2 Charging Dead, CHAdeMO Still Works ($0-$3,000 repair), Headlamp Multi-Function Switch Contact Wear Causing Low/High Beam Flicker and Dropout ($250-$600 repair), Recall 25V099000 (Kia SC336): Improperly Manufactured Piston Oil Rings Can Destroy the Engine, Side Curtain Air Bags Can Deploy Unexpectedly (Recall 23V830000), Recall 23V531000: Electric Oil Pump Controller May Overheat and Cause a Fire (2023 Soul), Piston Oil Ring Defect and Excessive Oil Consumption, ABS/HECU Module Brake-Fluid Leak Causing Engine Compartment Fire ($0-$1,200 repair), 7-Speed Dual-Clutch (DCT) Judder and Premature Clutch Failure ($300-$6,000 repair), Panoramic Sunroof Spontaneous Shattering ($500-$1,500 repair), First-Generation Soul EV SK Innovation Pouch-Cell Capacity Collapse Below 70% SOH ($0-$9,000 repair) and Recall 23V218000 (Kia SC267): E400 High-Voltage Battery Cell Short Circuit Fire Risk (Soul EV) ($0-$0 repair). The most commonly reported issue is Electric Motor Bearing Noise (Soul EV) with 134 owner reports. Across all issues with published estimates, repair costs range from $250 to $9,000. DIY maintenance guides at au7o.io.