SpareRadar OBD-II Code Lookup

Free OBD-II fault code lookup

Type the code from your scanner. Get what it means in seconds. No account, no charge.

Try P0420P0171P0300P0128U0100
More than one code? Paste your whole scan
Covers the 9,504 generic codes that mean the same thing on every car, plus 3,972 manufacturer-specific codes listed per make across 36 makes.

Fault code meanings from lennykean/OBDII.DTC (master), used under the MIT licence. Copyright (c) 2023 Lenny Kean. Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.