Like i said it the key approach states "P1684, -----, done". I wont bother resetting since it seems already baseline but I want to be sure that any future "real" issues will be displayed? What does the display show if there are 2 or more problem codes? Does it cycle thru all old and new ones? The service manual didnt state.

Thanks

 

well, go unplug some sensor, start the van and re run the test and that'll show you a "real" issue. all code that are in memory will be displayed until you bother to reset