Hyundai Common Problems & OBD2 Codes

Complete repair database for all Hyundai models. NHTSA complaint data, OBD2 code guides, and DIY cost comparisons.

Browse by Model

Elantra 2000-2024 Sonata 2000-2024 Tucson 2000-2024 Santa Fe 2000-2024 Kona 2000-2024 Palisade 2000-2024 Ioniq 2000-2024 Venue 2000-2024

Most Common OBD2 Codes for Hyundai

P0128 Coolant Temperature Below Thermostat Regulating Temperature DIY: $10-$40 P0171 System Too Lean (Bank 1) DIY: $10-$120 P0420 Catalyst System Efficiency Below Threshold (Bank 1) DIY: $150-$400

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Free DIY Maintenance Schedule by Mileage

Never miss an oil change, filter, or fluid flush. Printable PDF for your glovebox.

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