Originally Posted by
pizzaguy
Yanking the right fuses (5 and 6 in 2005 SRT and 2007 SE Roadsters, not sure about other models or years but probably the same) OR disconnecting the battery cable relives pressure too. The 'relaxed' state of the valves in the pump/controller is "open" and all pressure is released.
I thought the pump timed out and relieved pressure automatically just as if you stopped it mid-cycle, is this what you are meaning. Removing the cable suggests there is power to the pump all the time even with the ignition OFF.