2008 Ford F-350 6.4L, Predator U7164. I have a new Predator unit and have added no revisions, plugged it in and got the following message.."Feature not supported on this vehicle. Call techsupport with your CALID, reflash may be required."
unit # 1- 8U7A- 14C204-CD
unit # 2- 7U7A- 14C337-AB
Have had ...