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International Automotive Technicians Network
Re: 2000 Ram Van security no start
Posted to Technical Discussion Forum on 8/26/2023

The CTM has to see that circuit drop from about 3.4V to 1V for the module to interpret that as a door unlock action and disable VTSS.

You could use the door ajar switch but you'd have to remove all the other wiring so the CTM sees the proper voltage change. Login to read more.