OBD
| Full qualified VSS Path: | Vehicle.OBD |
| Description: | OBD data. |
Navigation
flowchart LR
Vehicle-->OBD
Digital Auto: Playground
playground.digital.auto provides an in-browser, rapid prototyping environment utilizing the COVESA APIs for connected vehicles.
| Vehicle Model | Direct link to Vehicle Signal |
|---|---|
| ACME Car (EV) v0.1 | Vehicle.OBD |
Signal Information
The vehicle signal Vehicle.OBD is a Branch.
UUID
Each vehicle signal is identified by a Universally Unique Identifier (UUID)
The UUID for Vehicle.OBD is 7ad7c512ed5d52c8b31944d2d47a4bc3
Children
This vehicle signal is a branch or structure and thus has sub-pages:
- Vehicle.OBD.AbsoluteLoad (PID 43 - Absolute load value)
- Vehicle.OBD.AcceleratorPositionD (PID 49 - Accelerator pedal position D)
- Vehicle.OBD.AcceleratorPositionE (PID 4A - Accelerator pedal position E)
- Vehicle.OBD.AcceleratorPositionF (PID 4B - Accelerator pedal position F)
- Vehicle.OBD.AirStatus (PID 12 - Secondary air status)
- Vehicle.OBD.AmbientAirTemperature (PID 46 - Ambient air temperature)
- Vehicle.OBD.BarometricPressure (PID 33 - Barometric pressure)
- Vehicle.OBD.Catalyst (Catalyst signals)
- Vehicle.OBD.CommandedEGR (PID 2C - Commanded exhaust gas recirculation (EGR))
- Vehicle.OBD.CommandedEVAP (PID 2E - Commanded evaporative purge (EVAP) valve)
- Vehicle.OBD.CommandedEquivalenceRatio (PID 44 - Commanded equivalence ratio)
- Vehicle.OBD.ControlModuleVoltage (PID 42 - Control module voltage)
- Vehicle.OBD.CoolantTemperature (PID 05 - Coolant temperature)
- Vehicle.OBD.DTCList (List of currently active DTCs formatted according OBD II (SAE-J2012DA_201812) standard ([P|C|B|U]XXXXX ))
- Vehicle.OBD.DistanceSinceDTCClear (PID 31 - Distance traveled since codes cleared)
- Vehicle.OBD.DistanceWithMIL (PID 21 - Distance traveled with MIL on)
- Vehicle.OBD.DriveCycleStatus (PID 41 - OBD status for the current drive cycle)
- Vehicle.OBD.EGRError (PID 2D - Exhaust gas recirculation (EGR) error)
- Vehicle.OBD.EVAPVaporPressure (PID 32 - Evaporative purge (EVAP) system pressure)
- Vehicle.OBD.EVAPVaporPressureAbsolute (PID 53 - Absolute evaporative purge (EVAP) system pressure)
- Vehicle.OBD.EVAPVaporPressureAlternate (PID 54 - Alternate evaporative purge (EVAP) system pressure)
- Vehicle.OBD.EngineLoad (PID 04 - Engine load in percent - 0 = no load, 100 = full load)
- Vehicle.OBD.EngineSpeed (PID 0C - Engine speed measured as rotations per minute)
- Vehicle.OBD.EthanolPercent (PID 52 - Percentage of ethanol in the fuel)
- Vehicle.OBD.FreezeDTC (PID 02 - DTC that triggered the freeze frame)
- Vehicle.OBD.FuelInjectionTiming (PID 5D - Fuel injection timing)
- Vehicle.OBD.FuelLevel (PID 2F - Fuel level in the fuel tank)
- Vehicle.OBD.FuelPressure (PID 0A - Fuel pressure)
- Vehicle.OBD.FuelRailPressureAbsolute (PID 59 - Absolute fuel rail pressure)
- Vehicle.OBD.FuelRailPressureDirect (PID 23 - Fuel rail pressure direct inject)
- Vehicle.OBD.FuelRailPressureVac (PID 22 - Fuel rail pressure relative to vacuum)
- Vehicle.OBD.FuelRate (PID 5E - Engine fuel rate)
- Vehicle.OBD.FuelStatus (PID 03 - Fuel status)
- Vehicle.OBD.FuelType (PID 51 - Fuel type)
- Vehicle.OBD.HybridBatteryRemaining (PID 5B - Remaining life of hybrid battery)
- Vehicle.OBD.IntakeTemp (PID 0F - Intake temperature)
- Vehicle.OBD.IsPTOActive (PID 1E - Auxiliary input status (power take off))
- Vehicle.OBD.LongTermFuelTrim1 (PID 07 - Long Term (learned) Fuel Trim - Bank 1 - negative percent leaner, positive percent richer)
- Vehicle.OBD.LongTermFuelTrim2 (PID 09 - Long Term (learned) Fuel Trim - Bank 2 - negative percent leaner, positive percent richer)
- Vehicle.OBD.LongTermO2Trim1 (PID 56 (byte A) - Long term secondary O2 trim - Bank 1)
- Vehicle.OBD.LongTermO2Trim2 (PID 58 (byte A) - Long term secondary O2 trim - Bank 2)
- Vehicle.OBD.LongTermO2Trim3 (PID 56 (byte B) - Long term secondary O2 trim - Bank 3)
- Vehicle.OBD.LongTermO2Trim4 (PID 58 (byte B) - Long term secondary O2 trim - Bank 4)
- Vehicle.OBD.MAF (PID 10 - Grams of air drawn into engine per second)
- Vehicle.OBD.MAP (PID 0B - Intake manifold pressure)
- Vehicle.OBD.MaxMAF (PID 50 - Maximum flow for mass air flow sensor)
- Vehicle.OBD.O2 (Oxygen sensors (PID 14 - PID 1B))
- Vehicle.OBD.O2WR (Wide range/band oxygen sensors (PID 24 - 2B and PID 34 - 3B))
- Vehicle.OBD.OBDStandards (PID 1C - OBD standards this vehicle conforms to)
- Vehicle.OBD.OilTemperature (PID 5C - Engine oil temperature)
- Vehicle.OBD.OxygenSensorsIn2Banks (PID 13 - Presence of oxygen sensors in 2 banks. [A0..A3] == Bank 1, Sensors 1-4. [A4..A7] == Bank 2, Sensors 1-4)
- Vehicle.OBD.OxygenSensorsIn4Banks (PID 1D - Presence of oxygen sensors in 4 banks. Similar to PID 13, but [A0..A7] == [B1S1, B1S2, B2S1, B2S2, B3S1, B3S2, B4S1, B4S2])
- Vehicle.OBD.PidsA (PID 00 - Bit array of the supported pids 01 to 20)
- Vehicle.OBD.PidsB (PID 20 - Bit array of the supported pids 21 to 40)
- Vehicle.OBD.PidsC (PID 40 - Bit array of the supported pids 41 to 60)
- Vehicle.OBD.RelativeAcceleratorPosition (PID 5A - Relative accelerator pedal position)
- Vehicle.OBD.RelativeThrottlePosition (PID 45 - Relative throttle position)
- Vehicle.OBD.RunTime (PID 1F - Engine run time)
- Vehicle.OBD.RunTimeMIL (PID 4D - Run time with MIL on)
- Vehicle.OBD.ShortTermFuelTrim1 (PID 06 - Short Term (immediate) Fuel Trim - Bank 1 - negative percent leaner, positive percent richer)
- Vehicle.OBD.ShortTermFuelTrim2 (PID 08 - Short Term (immediate) Fuel Trim - Bank 2 - negative percent leaner, positive percent richer)
- Vehicle.OBD.ShortTermO2Trim1 (PID 55 (byte A) - Short term secondary O2 trim - Bank 1)
- Vehicle.OBD.ShortTermO2Trim2 (PID 57 (byte A) - Short term secondary O2 trim - Bank 2)
- Vehicle.OBD.ShortTermO2Trim3 (PID 55 (byte B) - Short term secondary O2 trim - Bank 3)
- Vehicle.OBD.ShortTermO2Trim4 (PID 57 (byte B) - Short term secondary O2 trim - Bank 4)
- Vehicle.OBD.Speed (PID 0D - Vehicle speed)
- Vehicle.OBD.Status (PID 01 - OBD status)
- Vehicle.OBD.ThrottleActuator (PID 4C - Commanded throttle actuator)
- Vehicle.OBD.ThrottlePosition (PID 11 - Throttle position - 0 = closed throttle, 100 = open throttle)
- Vehicle.OBD.ThrottlePositionB (PID 47 - Absolute throttle position B)
- Vehicle.OBD.ThrottlePositionC (PID 48 - Absolute throttle position C)
- Vehicle.OBD.TimeSinceDTCCleared (PID 4E - Time since trouble codes cleared)
- Vehicle.OBD.TimingAdvance (PID 0E - Time advance)
- Vehicle.OBD.WarmupsSinceDTCClear (PID 30 - Number of warm-ups since codes cleared)
Feedback
Do you think this Vehicle Signal specification needs enhancement? Do you want to discuss with experts? Try the following ressources to get in touch with the VSS community:
| Enhancement request | Create COVESA GitHub Issue |
| Join COVESA | www.covesa.global |
| Discuss VSS on Slack | w3cauto.slack.com |
| VSS Data Experts on Google Groups | covesa.global data-expert-group |
About VSS
The Vehicle Signal Specification (VSS) is an initiative by COVESA to define a syntax and a catalog for vehicle signals. The source code and releases can be found in the VSS github repository.
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