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what engine and how many miles? any other codes?
check the code again. Rear differential speed sensor or a wiring fault should not cause a stall.
is this gas or diesel?
The sensors on the trans are input and output speed sensors and they would set a different code. Can you check the ABS module for codes or make sure it communicates? Does the ABS light come on when the key is turned on?
very common for the rear differential sensor to fail or even the harness to get damaged. I am not sure how this is connected to the stalling.
input and output speed sensors are on top of trans and accessible from the outside.
Yes, but like I said the codes would be different. p0715 or p0720. I would rather see live data to confirm be for replacing sensors. you can ohm out the rear differential sensor. most of the time I have seen them open or really high when ohmed
yes, we can keep this open as long as needed. The rear differential sensor is usually not hard to replace.
ok, great and good luck
we need to check power to the fuel pump and then fuel pressure if the pump works. It could be a bad fuel pump. Best to check power at the fuel pump with key on and pump energized.
good idea to swap relays
yes, there will be a connector you can back probe. They make probes for multi meters but you can use a paper clip, just make sure it is not touching ground
how about fuel pressure? we can check power at the inertia switch.