Service Engine soon light :(
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Junior User
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Service Engine soon light :(
Only had my truck a week and half and the service engine soon light popped on. I'm scared to even take it to the dealer. It runs fine, shifts great, runs great, no visible issues whatsoever. The truck only has barely 74K on it. Ya'll know anything I can check on to start off with before I take it to the dealership to most likely get raped this afternoon? I do believe I can run codes on it if I can find the OBDII port because I have a diagnostics X-Ray scanner...What do the V10 gods think? 
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Joined: Jul 2002
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From: Long Island USA
What year is the truck?
My '01's port is under the steering column, about 6-8 inches to the right.
If your scanner is an OBD-II scanner, you should be able to pull the codes yourself.
Report back with the codes, we'll work on it
My '01's port is under the steering column, about 6-8 inches to the right.
If your scanner is an OBD-II scanner, you should be able to pull the codes yourself.
Report back with the codes, we'll work on it
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Thanks fellas. 
Well the plot is thickening slowly here. I took the truck to autozone and the guy tried running diagnostics on the truck but there's no power to the OBDII port! He tried plugging it in several times and the scanner would not even power up. That's a first for me to hear something like that. Anybody ever have this happen before?
Truck is an '01 too.
Well the plot is thickening slowly here. I took the truck to autozone and the guy tried running diagnostics on the truck but there's no power to the OBDII port! He tried plugging it in several times and the scanner would not even power up. That's a first for me to hear something like that. Anybody ever have this happen before?Truck is an '01 too.
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Steve
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Yes, you have a blown fuse.
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Thanks yall!!! Im gonna find that fuse and see If I can get this figured out. That probably wouldnt be the overall reason for the service engine light would it? Just hopeful thinking really, but I'll be happy to put one fire out at a time. I know it was a dumb move probably but I towed my first car with it this weekend too, and it was a dream compared to my old '81 
That probably wouldnt be the overall reason for the service engine light would it? Just hopeful thinking really, but I'll be happy to put one fire out at a time. I know it was a dumb move probably but I towed my first car with it this weekend too, and it was a dream compared to my old '81
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Okay. here we go. So after pulling the fuse, of course it was blown....I replaced it and took it on up to Autozone to get the codes pulled. Just one Code: P0705 I'm hoping this isnt a death sentence but it said the probable causes were a defective transmission range sensor or an open/shorted circuit condition. Could the blown fuse have tripped the light to begin with or where should I go from here?
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Joined: Jul 2002
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From: Long Island USA
I think the range sensor (shifter switch) is a known thing that goes bad sometimes.
Doubtful the blown fuse had anything to do with the code.
More likely that the shifter switch on the side of the tranny is bad.
Doubtful the blown fuse had anything to do with the code.
More likely that the shifter switch on the side of the tranny is bad.
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