Error -8126: The subfunction of the diagnostic service is not supported in the active diagnostic session.

[cmunireddy]

Hello,

I am working on a project where I am supposed to run a motor using LabVIEW using LIN. I am using LIN interface NI XNET USB 8506 module. I have connected this interface to my ECU and trying to talk to ECU using it. I am using an dll package with an xml file to execute the commands. Within this I'm using UDS diagnostic services. I have a VI when I run it throws me an error as Error -8126: NI Automotive Diagnostics Command Set:
The subfunction of the diagnostic service is not supported in the active diagnostic session.

I have changed the session id specific to my company, changed the command and their values in all the commands.

Please help with the possibilities that I could try to overcome this error.

[Trevor.H]

Hello,

I'm not too familiar with the Automotive Diagnostic Command Set.  However, there should be people over on the Automotive and Embedded Networks Forum who are more familiar with it.  On your behalf, I've recommended that this post be moved there.