No luck with different software versions. However I did find that I can use my phones gps on the tablet.
Download bluenmea app on the phone and Bluetooth gps on the tablet.
Connect both phone and tablet to Bluetooth
Add the tablet on the bluenmea app
In developer options allow mock...
OP did you find a solution? Since owning mine the GPS takes a looong time to connect, days even. There was one update that seemed to have fixed it then the next update screwed it up again. Currently in the process of downgrading back to Marshmallow to hopefully find the version that worked.
I wish photobucket wouldn't have turned out the lights! Sounds like you had a nice build. Anyway...
Any chance you could get me in contact with the 1st gen tacoma owner? After researching for a month I think I've finally settled on a bhw to swap into mine. I haven't stumbled upon a tdi taco...