all tranny sellector lights up, no start PO846

Question

2007 dodge ram 1500 all tranny selector display light up when code is cleared shows selector in reverse, no start, no crank

Answer 1

P0846 - 2/4 pressure switch rationality

With this code condition the vehicle would start but the transmission would be in a limp in mode. If there is a crank situation there the transmission out put control has to be tested for receiving power , this comes from the TIPM (total integrated power module) try swapping the transmission relay