OBD II Codes Database

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This database contains standard and manufacturer specific diagnostic trouble codes (DTC's) that are used by some manufacturers to identify vehicle problems. This obd II code database is intended to be an easy to use app to begin diagnosing vehicle repairs.

NEWS:
Body and Chassis codes just added.

Examples:
to find information about a specific trouble code enter it into the search bar.

To reverse lookup codes type in a keyword into the search bar. For example, entering "crankshaft" into the search bar will return trouble codes regarding crankshafts.

What are OBD-II codes?
On board diagnostics trouble codes IDs (aka fault codes) are used to interpret information from the Engine Control Unit (ECU) and diagnose problems with a vehicle. All vehicles sold in North America after 1996 are required to use them.

Non Standard Codes
Most vehicle manufacturers use standard and non standard codes. This database contains manufacturer specific codes. To narrow search to a specific make, select it with the dropdown box to the right of the search bar.


NOTE: Results from this database are the beginning of the diagnostic process, further investigation is required to confirm results before you begin repairs.