How to check available OBDII data?

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Main Page > General Information > Frequently Asked Questions - FAQ > How to check available OBDII data?

Please follow this tutorial to check what OBD data is available from the vehicle

1. Send obdinfo SMS/GPRS command to the device.

2. The device responds with: Protocol, VIN, Adaptive Timing value, requested PID counter, OBD application state, available vehicle PIDs, mil status, number of DTCs.

For example: Protocol:6 VIN: WVWZZZAUZFW125650,TM:0,CNT:11,ST:PROTOCOL DETECTION,P1:0x98180001,P2:0x1,P3:0xE0800020,P4:0x0,Fuel:OFF,MIL:0,DTC:0,ID0

3. According to the obdinfo response, you can check available OBD parameters via OBD PID Reader. OBD reader can be found here

How to check available OBDII data 1.gif

Protocol:6 – specifies the protocol supported by the car.

VIN: WVWZZZAUZFW125650 - specifies car VIN number.

ST: PROTOCOLDETECTION - specifies OBD application state.

P1:0x98180001,P2:0x1,P3:0xE0800020,P4:0x0 - specifies available vehicle PIDs. These values denote the available parameters in a given car. If all PID values are 0 (P1:0x0,P2:0x0,P3:0x0,P4:0x0), it means that OBD parameters are not readable.

MIL:0 - mil status, indicates the state of the LED (0- OFF, 1-ON).

DTC:0 – the number of errors.

Please find additional information here:

  1. OBDII protocols supported by the FMB001 and FM3001
  2. OBDII parameter list