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5R55E Flashing O/D Light from hell

carsrus

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Hey everyone, first post here, long time lurker. Sorry for the long post.

I have a 98 ranger 4.0 OHV 4wd. To the best of my knowledge that means I have a 5r55e.

185k miles as of now, original transmission etc. Only thing that has been touched on it is the fluid and filter. Mercon V used at all times, fluid is cherry red nothing out of the ordinary.

For the past few years (~30k miles) its been having a intermittent flashing OD light. The 1-2 upshift is rough (it just drops into gear) and the 2-1 down shift is also rough. The stunner is when I pull over and turn the engine on of the light disappears and the trans shifts like butter.

Sometimes this light doesn't turn on for 2 months and sometimes it'l do it every 2 miles. At first I changed the fluid and it stopped doing it for a good while (5k miles). However it came back, so I changed the fluid yet again which helped a bit. Now it is turning on more and more often and I really want to get to the bottom of this.

I have had it hooked up to a Solus etc and I couldent pull a code. When I took it to the trans guy with the light flashing he said I needed a rebuild :confused:

Has anyone experienced this? Im thinking about ordering the 6 solenoids from 800700trans for 60$ and giving it a go. I have read countless threads and im just out of ideas.......
 



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I have had the light flashing, it did not end well. See if some one can read the codes. If you let it go, you will need a rebuild.
 






Ive had someone read the codes and the light resets every time the trucks restarted. Ive driven to the shop with the light on and he just wants to sell me a rebuild. Its some sort of electrical gremlin I think.
 






Ive had someone read the codes and the light resets every time the trucks restarted. Ive driven to the shop with the light on and he just wants to sell me a rebuild. Its some sort of electrical gremlin I think.

My light flashes now and yes the flashing goes away but the code is still there...
I can pull my p1744 the moment I start it even though the light won't flash until conditions are correct...

Anyone who says there is no code there is lying or wrong...
I'd take it to a trans shop and ask for a code description.....
 






my light flashes now and yes the flashing goes away but the code is still there...
I can pull my p1744 the moment i start it even though the light won't flash until conditions are correct...

Anyone who says there is no code there is lying or wrong...
I'd take it to a trans shop and ask for a code description.....

+1
 






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