well first is what engine and tranny i there now
VIN code 8th digit is engine, and trans matches it and means torque or beats it
5 engines include the turbo diesel
and 2 boxes (off wiki and of Chrysler oem web site)
4-speed
42RLE automatic
5-speed
W5A580 automatic aka, Mercedes Benz 722.6 .
OR AS New
Automatic Gearbox
Generation
One, or
NAG1.
my jeep 2010 has the w5 (MB,German box) and I have full documents on this box. (ask)
and if yours is W5 the PRNDL switches are deep inside the box and the valve body there. (no box side switches)
if yours is not, w5
then ebay, this.
ATSG 42RLE, and buy the manual for the box. cheap, and read it.
did you scan the PCM (part of it is TCM) to see the error, DTC?
that be best. for sure.
W5 FACT\
https://en.wikipedia.org/wiki/Mercedes-Benz_5G-Tronic_transmission
THE SWITCH IS CALLED , ON MY JEEP A TRS, TRANSMISSION RANGE SWITCH W5A BOX.
AFTER 1999 THE TRS DATA is SENT OVER THE CAN_BUS NETWORK, SEE WHY SCANNING FIRST MATTER?
WHAT IF DTC, CAN BUS FAILS TO THE BOX>? DTC.?
THERE ARE 4 SWITCHES INSIDE THE BOX TO DO THAT
one even called P/N switch. deed deep inside,w5
scan and make sure , no shifter box TRRS errors
no can bus errors
or other transmission errors first.
the Atsg BOOK PAGE 18 COVERS P/N SWITCH IN TH BOX.
TRANNY BOX. W5A
P/T IS PART OF THE TRANNY TEMPSENSOR MODULE
THERE IT IS , IN THE ATSG MANUAL W5A. PART OF VALVE BODY DRAINED AND PAN DROPPED.
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