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Not receiving multi line response ELM 327

Motor Vehicle Maintenance & Repair Asked by Soumya Sen on January 4, 2021

I am sending the following commands to my Hyundai i20 2012 model (OBDLink SX Bluetooth device):

AT Z
AT H1
AT L1
AT S1
AT AL
AT SP6
AT SH 7D1
18 00 FF 00

The response I am getting is 7D9 10 0B 58 03 51 02 80 52.

7D9 - response for header 7D1
10 - line no.
0B - 0B(in hex) bytes of data valid (0B = 11 in decimal)

So I should get multiple lines of data and 3 fault codes. But I am receiving only this 1st line of data always. How do I get the remaining lines? Am I missing any AT command for the ELM 327?

I tried AT CM 000, AT CF 000, AT ST FF but not of much use. I always keep getting the 1st line of data only.

One Answer

you need to send 30 00 00 00 00 00 00 00 to get the remaining response frames

Answered by Luis Costa on January 4, 2021

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