Cannot connect or scan any modules except ENGINE

[EFA]

I think this is related to the ELM327 issue, but my ELCM327 appears to have a different circuit board.

I cannot connect to SERVICE so I can reset the oil change warning.


I removed R14 on the cuircuot board but this is a 670 ohm resistor, not 100k. So after trying to connect which no improvement I have resoldered R14 back on.


What do I need to do to make this work? Car is an Alfa 159 2.4D 2007.

[Alfaeddy]

Hello EFA

The removal of R14 is wrong!
You must remove R04 , then the CAN bus to read log

This ELM has been repeatedly described in Thread

Greetings Eddy

[EFA]

Thanks. 18000 miles until next time