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GET
Get DTC Codes

Overview

Returns DTC rows from the latest stored DTC general record for the vehicle’s handler state.
A V2 version of this endpoint is available: DTC codes. New integrations should prefer V2.

Endpoint

GET /api/devices/{id}/dtc-codes

Path parameters

integer
required
Legacy vehicle id (despite devices in the path).

Response

200 OK — JSON array of arrays of DtcDto (one inner list per code in source):

Example shape

Authorization

Uses the same vehicle check as GetReplay privilege (GetReplay).

Authorizations

Authorization
string
header
required

JWT Bearer token obtained from POST /api/authentication/token/user or POST /api/authentication/token/api-key.

Lifetime: ~24 hours (86,399 seconds). Cache the token and reuse it. Re-authenticate 5 minutes before expiry.

Scoping:

  • User tokens are scoped to a single company.
  • API key tokens may restrict access to a vehicle allowlist and/or action set (see token claims).

No refresh endpoint — re-authenticate with your credentials when the token expires.

Headers

Content-Type
string

Standard and must keep as it is.

Authorization
string
required

Bearer your_token

Path Parameters

deviceId
integer
required

Vehicle ID

Response

Successfully retrieved DTC codes

code
string
Example:

"P0300"

description
string
Example:

"Random/Multiple Cylinder Misfire Detected"

severity
string