I like the DDHH = cannot lock truck because fob is in it and there is not 2nd fob outside. One of doors or hood is not completely shut. Not sure as I never use it but believe you can lock truck using keypad (not the door handle lock it since it will not unlock using inside fob) with one or more fobs in truck (verification that key pad is there? And you say you know code?). Perhaps DDHH happens if exiting truck with fob while it's in ready state if it's not in park or neutral with E-brake set. IDK it may just be reminding that fob has to remain in cab to stay in ready state??? I would expect DDHH if rear seats are occupied (child protection?).Or ... the DDHH (Dreaded Double Horn Honk)![]()
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