newcomr216 Posted March 20, 2019 Report Share Posted March 20, 2019 I just recently purchased an AVH 2550 NEX. I have the micro bypass hooked up that I had on an older model Pioneer deck. It does not work with the this new one. I’ve being seeing a lot of talk in other forums of “secret” menus that you can access by pressing certain buttons. Wondering if this applies to this deck as well and if so has anybody discovered it yet. I also updated the firmware to 8.6. Quote Link to post Share on other sites
newcomr216 Posted March 21, 2019 Author Report Share Posted March 21, 2019 Fixed it! Quote Link to post Share on other sites
mr16valve Posted June 22, 2019 Report Share Posted June 22, 2019 I am fighting the same issue on the same unit. Can I ask how you did it, or point me in a direction please. Quote Link to post Share on other sites
bonee Posted June 22, 2019 Report Share Posted June 22, 2019 PAC TR1 Video Lockout Bypass Trigger Module Quote Link to post Share on other sites
mr16valve Posted June 22, 2019 Report Share Posted June 22, 2019 I have that installed - doesn't work on this model. The PAC provides ground in the triggered sequence. This Pioneer is looking for power & then ground for the disable, which is ridiculous. Quote Link to post Share on other sites
bonee Posted June 22, 2019 Report Share Posted June 22, 2019 It never looks for a power. Only Ground. Radio needs to see double pulse Grd to bypass. I've done thousand of pioneer radio. Never had a problem. I always found a work around... I'd you can't do it. Take it to a professional. Quote Link to post Share on other sites
Sael Posted March 25 Report Share Posted March 25 On 3/21/2019 at 1:04 PM, newcomr216 said: Fixed it! How? Quote Link to post Share on other sites
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