USB 8746 No LIN response to some ID's

Hello, I am using a USB 8746 module for an automotive application, the 8746 is a master. I am successfully sending data to ID's x20 and x30, when I send data to ID 1 I get an error frame for the response (84 0 1 6 0 0 1) The slave is Ver 2.0 LIN spec, I am using enhanced check sum mode. ID 1 is a 2 byte ID and the data appears to be correct before being sent. I am using VB .NET 2010 for the software interface.
Thank You

J -
How are you determining that the data being sent is correct? If the returned data from the device in question is not as expected, it would seem to be something lost on the device side or the cable to the USB8476. If you have multiple devices, have you tried it with different 8476s to yield the same result?
In regards to your other question...there is R&D development to natively support .NET in a future release of the NI-XNET driver. NI-CAN functionality was bundled into the XNET driver so XNET is the future of NI offerings with auto bus communication protocols. Potentially if you were looking for a drop in device replacement you would use the USB-9866 which supports the XNET driver and is used for the LIN interface.
Regards,
Ben N.
Applications Engineering
ni.com/support

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