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OBD-II DTC code lookup

Type any P, C, B or U code (e.g. P0420) to get its standard SAE J2012 meaning, system category, and whether it can be ECU-suppressed for off-road / motorsport use.

Enter a DTC code or keyword

Browse by category

DPF / Particulate Filter EGR AdBlue / SCR Catalyst Turbo / Boost Ignition / Knock Fuel System O2 / Lambda Misfire Transmission CAN / Comms Sensor / Circuit

What this tool returns

For each DTC code we surface the SAE J2012 standardised description, the system category (DPF, EGR, AdBlue, Turbo, Misfire, etc.), and whether the code is typically suppressible at the ECU calibration level for off-road and motorsport use.

For codes in the suppressible categories (DPF, EGR, AdBlue, Catalyst) we also link to a per-code page with a 5-step workflow for removing the code using Softechpro V5 — load .bin, identify ECU, select service, save patched .bin, flash.