I got the 9t21c to work. I had to download and install the 9r19 crom first.
You can get the 9r19 crom in the message below
http://diablosport.com/index.php?name=P ... 359#164359
Search found 2 matches
- Sat Apr 09, 2011 6:18 pm
- Forum: Predator GM Gas
- Topic: New U7194 update, new tunes!
- Replies: 106
- Views: 53147
- Sat Apr 09, 2011 3:36 pm
- Forum: Predator GM Gas
- Topic: New U7194 update, new tunes!
- Replies: 106
- Views: 53147
Re: unable to update from 9r18
I get the same thing......I have tried 9r21 and 9t21c and I get the same error.gundog wrote:When I attempt to update from v. 9r18 to either 9r20 or 9r20c my 7194 advises that it is unable to downgrade from 9r16. I'm confused....now what?