I had thought it may be transponder issue as well, that’s when I bought a second one and had the same results. I could have/should have got a different bypass but it’s a matter of principle now. I know it has and can be done so I want to learn more about it and fix it’ll what I got.
Sorry to bring up an old thread but I’m having a problem with some of the products mentioned here and I don’t have enough replies to post my own. If anyone’s got time to help it’d be appreciated. I’ve installed a Avital 4105 and 556uw. The problem I’m having is with the 556. I cannot get the R/S...