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overdrive flashes "off"

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Old Jan 30, 2005 | 05:52 PM
  #1  
risky97psd's Avatar
risky97psd
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overdrive flashes "off"

hi guys my overdrive light is flashing "off" while driving. its in overdrive and when i push the button on the end of the shifter, the one that turns it off, it shifts out of o/d but continues to flash. it seems to drive and shift through the gears the same as usual, the shifts maybe a little stiffer than usual but maybe im just being paranoid...anyone have any idea what this means???
 
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Old Jan 30, 2005 | 06:39 PM
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It's like a check engine light, means something is wrong. It may just be some loose wire or something minor since it seems to be shifting ok. My dad's E350 had the tranny rebuilt and it flashes OD on/off but it works fine. Best thing to do would be to get it checked out.
 
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Old Jan 30, 2005 | 09:09 PM
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If your speedometer isn't working right, that will cause it to flash. my speedo didn't register until like 25 mph, I put in a new vehicle speed sensor, and it works right, and no more flashing light.
 
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Old Feb 7, 2005 | 02:09 PM
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Hey...my '96 250 just started doing the same thing 2 days ago, flashes but still seems to work and am having harder shifts than before. Let me know if you figure it out and I will do the same ..Thnx,,Corey
 
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Old Feb 7, 2005 | 02:41 PM
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It means that something is wrong and a code has probably been stored. Get it scanned and then you should know for sure. 9 out of 10 it is the VSS sensor on the top of the rear diff. It's like $23 bucks or so. The Overdrive light usually blinks when there is a problem with the drivetrain and the Service engine light comes on when it is a problem with the engine, not always though just my experience. If it is something with the transmission it is possible to do damage so get it looked at right away.
 
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Old Feb 10, 2005 | 05:26 PM
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thanks for the info guys. i havent had a chance to look at it yet, its not my daily driver. where can i get it scanned other than the dealer? i stopped by the dealer today and ask about it and they said i should have it towed in and for $75 (not including towing, of coarse) they could scan it and see what it might be. i think when ever they hear "powerstroke" dollars signs apear in their eyes. is there a way i can retrieve the codes myself? any help is appreciated.
 
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Old Feb 10, 2005 | 06:05 PM
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Originally Posted by coreyb
Hey...my '96 250 just started doing the same thing 2 days ago, flashes but still seems to work and am having harder shifts than before. Let me know if you figure it out and I will do the same ..Thnx,,Corey
One thing that happens with tranny problems is it will go into a "safe" mode, resulting in hard shifts. It is basically trying to keep temps/slippage down to retard any further damage. Needs to be checked out asap. Mine was doing the same thing, hard shift, O/D light flashing. I wasn't lucky enough to only need a VSS. But I did get a brand new tranny . One good thing did come of it though, I was able to talk my wife into getting me a tuner w/diagnostics (Edge Evolution) to help me further troubleshoot the problem.
Most tranny shops will read your codes free if it means possible business.
Mike
 
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Old Feb 10, 2005 | 11:08 PM
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Hey guys, my 95 F250 4x4 was doing the same thing on the highway after I serviced it. Same hard shifts, etc. I then hooked 6000 pounds the the thing and it was fine. I believe the trans was running too cold as it has a HUGE cooler up front and the 20 below wind at 60 mph dosnt help either!
 
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Old Feb 11, 2005 | 02:07 AM
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Listen to mjwhip2. I was doing something I usually never do and that's read the owners manual. It has a piece in there about your indication being a transmission problem and to have is checked out as soon as possible.
 
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Old Feb 11, 2005 | 06:43 AM
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Old Feb 11, 2005 | 09:06 PM
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hi guys. i took it to the tranny shop today. only $25 to scan it instead of $75 at the dealer. mjwhip2 was right on, it went into safe mode. when scanned it showed a "trans slipping" code. trans guy said it needs a rebuild. ok i can deal with that my question is, standard rebuild or build it up. right now the only mod i have on it is the 10k. trans man said if i plan on putting any mods on even a down tube and bigger exhaust a standard rebuild wont hold up..does this sound right???? i dont use it as a daily driver and only pull the my 6500lb camper a few times a year. i dont plan on putting a chip in, or really any other mods. he suggests a 3 clutch converter, shift kit, and new diff gears.. about $2400 or $1600 for a standard rebuild...any input on what i should do...by the way its got 120k on it..as usual any input is appreciated...
 
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Old Feb 12, 2005 | 09:24 AM
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Before doing anything I'd clear the code and see if it comes back. That code sets a lot on these trucks without there being anything wrong. If it keeps coming back, then look into spending money.
 
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Old Feb 12, 2005 | 03:08 PM
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hi thanks. how do i clear the code?. on my wifes minivan(plymouth) if u disconect batt. its resets the "check engine" light. will that work in this situation??
 
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Old Feb 13, 2005 | 01:52 PM
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I believe that if you leave it unplugged for at least 15-20 minutes than it should work.
 
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Old Feb 13, 2005 | 02:09 PM
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od light was flashing on my 97' ,and after about a week of highway driving(some towing)tranny roasted. after doing some homework it seems that for the money Jasper Transmissions has the best deal. found a local dealer and it isnt to much more than if i put it in my self.its cold out i let them do it.supposed to get truck back monday,we'll see how it worked out
 
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