Vehicle OBD Trouble Code Query · OBD Code Lookup
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Description
Look up vehicle OBD trouble codes, returning the meaning in Chinese, the meaning in English, fault scope and description. Query related information by OBD trouble code.
How to call: Invoke via GET in the UUMit Data Marketplace (API ID: b1256e6d-3794-45d7-8c54-e38d6b1dd693). The platform centrally manages authentication and upstream configuration, so you only need to submit business fields as request parameters. Current price: Free.
Request parameters: code (required). The response fields mainly include ms, gzfw, sycx, ywhy, zwhy, reason, result, error_code.
Use cases: car owner tools, repair diagnostics, automotive services and trouble code knowledge lookup.
Usage statistics: 0 total calls, 0 successful calls, no historical statistics available, average response time 0ms. Data comes from officially listed APIs; for exact results, refer to the real-time response on the web platform.
Request Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| code | string | Yes | OBD trouble code, e.g. P2079 |
Response Fields
| Name | Type | Description |
|---|---|---|
| ms | string | Fault description |
| gzfw | string | Fault scope |
| sycx | string | Applicable vehicles |
| ywhy | string | Meaning in English |
| zwhy | string | Meaning in Chinese |
| reason | string | Response description |
| result | string | Result set |
| error_code | integer | Response code |
Request Example
{
"code": "P0420"
}Response Example
{
"reason": "success",
"result": {
"ms": "If the intake manifold runner length is optimal, the pressure wave generated when the valve closes helps draw the air-fuel mixture into the engine. The problem is that the optimal runner length varies with engine speed. The Manifold Tuning Valve (MTV) directs intake air into runners of different lengths according to engine speed, optimizing engine torque at different speeds.",
"code": "P2079",
"gzfw": "Fuel, air or emission control",
"sycx": "This OBD trouble code applies to all vehicle manufacturers",
"ywhy": "Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 1)",
"zwhy": "Intermittent intake manifold tuning (IMT) valve position sensor/switch circuit (Bank 1)"
},
"error_code": 0
}Changelog
2026-06-22
Synced the officially listed API details to the UUMit Data Marketplace on the official website.
Provider: UUMit Official