Quote Originally Posted by cumminsdieselfreak View Post
Try this:
1. Unplug OBD plug.
2. Remove SD card.
3. Install SD card.
4. Connect OBD plug.

Have you tried reformatting the SD card?
Also, do you have the new module or the older one with the metal studs that were to be removed prior to install?

Ain't tried all four of those yet... at least not all at once and in that order.

I reckon I got the older module and had to pull them studs.