My P-38 came home on the hook a month ago after not cranking over and I need some help. My key fob is missing the arm button but unlocks with the fob and at the door, arming and turning off the red light on the dash.
First I tested the battery and it was 12.88 with the key off and trickle charge overnight) . Then I noticed no Mil light illumination on position II.
After some search's here I disconnected the battery, checked all the fuses including the BeCM fuses and swapped around relays, still no crank over.
Next I removed and inspected the fuse box, cleaning all connections while it was out. I can cycle the starter by closing the contact of the starter relay RL -15 but not from the key.
After more research here I suspected the dreaded ''lost sync'' of the BeCM so I purchased a Black Box Solutions SyncMate for Gems from the U.K.
This week it arrived and could wait to fire it up.... but no joy, just one red flash.
Yesterday I pulled the seat, removed the BeCM to check for water damage or corrosion but all boards looked dry and burn free, so back under the seat it went after cleaning the plugs and sockets with contact cleaner. My OBD scanner functions normal at the port when connected and there are no codes found.



Hoping to use the Rangi to pick up the X-Mass tree in a week, so I need help. Thanks in advance guys.
Cheers.

 

Went back to basics and dove as deep as I can see into the fuse box.
Found some heat discoloration on the fan relay posts, but nothing else found.
Cleaned the OBD2 pins.
Still getting the red blink from the SyncMate.
Only messages on the cluster are Airbag fault and window open, I cycled all the windows fully open then closed and tonight cleaned the two connectors under the coolant bottle.
I didn't mention it in my first post but tried starting in P and N, no luck. Reverse lights come on in R.


Cheers.