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2017 ford transit cargo van locks not working after setting for a long period of time.

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Hello i have installed a evo-all and viprer 5706 2 way alarm on my 2017 ford transit cargo van using thar1 harness. after setting for a long period of time or overnight the doors will not unlock with the viper fob and its a 2 way fob indicating the doors are unlocked but i have to ude factory fob to unlock them. if i go into astore for a short time the viper fob unlocks doors with no prblem. The evo-all is programed in can bus only becuase the van has no immobillizer. I noticed in the qustions ans answers sectioun that someone was having a similar problem and tech said you may have to add a relay to wake bcm. If this is the case were would relay be wired in and what would trigger it the alarm or module and were would connections be made? Just FYI when i remote sart the van after setting overnight doors unlock with alar fob just fine every time so im assuming this is my problem. any information would be greatly appreciated

Tank You

asked Nov 10, 2018 in Ford by eric delgado (160 points)

1 Answer

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Normally this van must be wake up with transponder to disarm the factory alarm. The system was tested on vehicles with transponder. Pulsing ignition before unlock might solve your problem but I don't know if your Viper system have such options.
answered Nov 12, 2018 by Mathieu Bertrand Collin (62,020 points)