​
ABS

Signal code: diagnostics-abs A diagnostic category representing the Anti-lock Braking System (ABS).
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.
Example
{
  "status": "OK",
  "description": "ABS system functioning normally"
}

​
Active Safety

Signal code: diagnostics-activesafety Encompasses the vehicle’s advanced safety technologies designed to prevent or mitigate potential accidents.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Airbag

Signal code: diagnostics-airbag The system that monitors the vehicle’s airbag readiness and functionality.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Brake Fluid

Signal code: diagnostics-brakefluid The system that monitors the vehicle’s brake fluid condition and levels.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
DTCCount

Signal code: diagnostics-dtccount The total number of active Diagnostic Trouble Codes (DTCs) currently present in the vehicle’s systems.
​
unit
string
The total number of active Diagnostic Trouble Codes (DTCs) currently present in the vehicle’s systems.
​
value
integer
The total number of active Diagnostic Trouble Codes (DTCs) currently present in the vehicle’s systems.
Example
{
  "unit": "count",
  "value": 2
}

​
DTCList

Signal code: diagnostics-dtclist An array containing detailed information about each active Diagnostic Trouble Code (DTC) in the vehicle.
​
values
array
required
Array of Diagnostic Trouble Code (DTC) entries.
Example
{
  "values": [
    {
      "code": "P0300",
      "timestamp": "2023-10-15T08:00:00Z"
    },
    {
      "code": "P0171",
      "timestamp": "2023-10-15T08:00:00Z"
    }
  ]
}

​
Driver Assistance

Signal code: diagnostics-driverassistance The system that monitors the vehicle’s advanced driver assistance technologies.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
EVBattery Conditioning

Signal code: diagnostics-evbatteryconditioning The system that monitors the electric vehicle’s high-voltage battery thermal management and conditioning.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
EVCharging

Signal code: diagnostics-evcharging The system that monitors the electric vehicle’s charging processes and infrastructure.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
EVDrive Unit

Signal code: diagnostics-evdriveunit The system that monitors the electric vehicle’s drive unit performance and functionality.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
EVHVBattery

Signal code: diagnostics-evhvbattery The system that monitors the electric vehicle’s high-voltage battery health and performance.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Emissions

Signal code: diagnostics-emissions The system that monitors the vehicle’s exhaust emissions and pollution control mechanisms.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Lighting

Signal code: diagnostics-lighting The system that monitors the vehicle’s exterior and interior lighting functionality.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
MIL

Signal code: diagnostics-mil The system that monitors the vehicle’s Malfunction Indicator Lamp (MIL) status.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Oil Life

Signal code: diagnostics-oillife The system that monitors the vehicle’s engine oil condition and remaining useful life.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Oil Pressure

Signal code: diagnostics-oilpressure The system that monitors the vehicle’s engine oil pressure and lubrication system performance.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Oil Temperature

Signal code: diagnostics-oiltemperature The system that monitors the vehicle’s engine oil temperature and thermal conditions.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Telematics

Signal code: diagnostics-telematics The system that monitors a vehicle’s connectivity
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Tire Pressure

Signal code: diagnostics-tirepressure The system that monitors tire pressure levels
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Tire Pressure Monitoring

Signal code: diagnostics-tirepressuremonitoring The status of the tire pressure monitoring system.
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Transmission

Signal code: diagnostics-transmission The system that monitors the vehicle’s transmission
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Washer Fluid

Signal code: diagnostics-washerfluid The system that monitors the vehicle’s washer fluid reservoir
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.

​
Water In Fuel

Signal code: diagnostics-waterinfuel The system that monitors the presence of water in the vehicle’s fuel system
​
status
string
A ENUM indicating the current operational condition of the related system. (ALERT, OK)Possible values: ALERT, OK
​
description
string
A description of the system’s status, if provided by the OEM.