Freematics Forum

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Hello cuongcoco,

did you solve this?

I am in your same situation, i need to read PID 222554.

Using AT, if I write 222554 on serial monitor the ECU replies to me with the right answer and value.

How to do it with sendCommand function?

Lucio

Sniffing done. On serial monitor, if i write 222556 he reply to me Correctly with right values. He reply 62 25 54 01 FF so, 25 54 is pid and 01 FF are values. Could you please update your library to work with 2byte pids? Or, can I use obd.sendCommand ? If yes, how I can do it? thanks for your help. ...

Hello Pantos,

I am using OBD-II UART Adapter V.2.1 on my Nissan (Qashqai) vehicle.

I live in a small village 500 meter up the sea level and the PID 0x33
return to me (key on, engine off) hex 5F --> dec 95, so 95kPA = 0,98 ATM.

Hello DirtGhost,

could you please help me for mode 22 PID?

I want to retrieve data for the custom PID 222554.

could you please provide me if possible OBD2UART.cpp and OBD2UART.h ?

Thanks.

Hello Buick,

did you success with mode 22 PID?

I am in your same situation:

PID = 222554
OBD header: 7E0

and I want to add this custom PID in order to use readPID function.

Thanks.

Hello Stanley,

after the following commands:

ATZ
ATDP
ATH1
ATS1
22242C

I retrieved the following hex codes

7E8 05 62 24 2C 01 63

how I can decode it order to calculare the right value by the formula:
(A*256 + B)/100

Regards.

Hi Stanley,

do you have an example code to start?

Regards,
Lucio

Hello Stanley,

Do you have an example as reference to follow?

Regards.
Lucio

Hello, using Torque I am able to monitor the DPF quantity with the following CUSTOM PID: Mode OBD2 and PD = 22242C Name = DPF quantity min value = 0 max value = 600 scale factor = X1 units = Gr Equation = (A*256+B)/100 Header OBD = 7E0 How can I implement my CUSTOM PID on Freematics UART v.2.1 ? Reg...