OBD Codes Decoder - CarsXE Docs

Map a diagnostic trouble code (DTC) read from an OBD-II scanner to readable diagnosis text. The /obdcodesdecoder endpoint takes the code alone — no VIN or vehicle identity required.

Parameters

Parameter	Required	Description
`code`	Yes	OBD-II diagnostic trouble code, for example `P0115`
`key`	Yes	Your CarsXE API key
`format`	No	`json` by default, or `xml` if supported by your endpoint configuration

Example

Decode an OBD-II code

Code

curl -G https://api.carsxe.com/obdcodesdecoder \
  -d key=YOUR_API_KEY \
  -d code=P0115

For the full interactive reference, try it live in the API Reference.

Response

Name
success
Type
boolean
Description
Whether the code was decoded.
Name
diagnosis
Type
string
Description
Diagnostic description for the trouble code.
Name
date
Type
string
Description
Lookup timestamp or date returned by the API.
Name
code
Type
string
Description
Normalized OBD code returned by the API.

Errors

See the Errors guide for the full list.

400 - Missing OBD code.
401 - API key is missing, invalid, disabled, or unauthorized.
404 - The code is not in the reference table, either a typo or a manufacturer-specific code.
429 - Usage limit exceeded.

Decode an OBD-II diagnostic trouble code into a readable diagnosis.

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