Securicode stopped working

[Montauk]

Took delivery of my Maverick about 5 weeks ago which had the add-on keypad. It stopped working last week. Occasionally it blinks red. I have the original card and instructions that came with it but the steps for programming don’t help.

Anyone know a tutorial or guide on recovering it?
Dealer is 90 minutes away so I’d rather fix it myself if possible. Especially if it happens again.

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[EONR24]

disconnect and reconnect battery, then Check and clear DTCs . DTCs were causing my wireless keypad to stop working!