Hyundai Sonata: Common Problems, Fault Codes & Repairs Everything for the Hyundai Sonata in one place — its common problems and reliability, the fault codes owners see most, and the tools to diagnose them. Hyundai Sonata specs & capacities Hyundai Sonata — Fuse box location & guideHyundai Sonata — Oil capacity & typeHyundai Sonata — Tire pressureHyundai Sonata — Bolt pattern & wheel sizes Recommended tools Automotive MultimeterCompression TesterBattery & Charging System Tester Read your code: OBD-II scanners →