Automotive Trouble Code Lookup

A little while ago, I was doing some work on an automotive project, and looked for a web-service that could resolve trouble codes (DTCs) into messages. This is the same process that you might go through when you run to AutoZone to have them find the code(s) that explain your warning light, and the little OBDII reader dimly states “P0442”.

It turns out that there were more than a few clumsily-designed websites that would allow a human to do this, but there were few/none that provided a clean, machine-readable interface.

So, I spent a couple of hours and deployed dtcdatabase.com using the data from ScanTool. Easy for humans. Easy for machines.

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