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Overdrive light flashes

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Tranny need to have the codes read most likely it slipping
scan the TCM for codes
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
FLEXY5
  • MECHANIC
  • 512 POSTS
Check the speed sensor. It is either located on the tailshaft of the trans or on top of the rear differential housing. If the computer can't sense speed, it won't feed info to the speedo/odometer and it also won't know when to shift. O/D light will probably flash a P0500 code, but check to be sure.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
JEFFEY2
  • MEMBER
  • 1 POST
  • 1996 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 142,308 MILES
I was driven home the other night when I had noticed that my overdrive off light was flashing, I tried to push the button to turn it on but it would not. What could this possiply mean?
Thank you for your time.
Jeff.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
This indicates that the computer has noticed a fault in the transmission. This could be a sensor, shifting solenoid or something internal. You will need to have a diagnostic scan on your tranny to pinpoint the culprit.

Thanks for using 2CarPros. Com!
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
JP1683
  • MEMBER
  • 2 POSTS
  • FORD F-150
Seems like its straining when I hit 60
is there something I can do?
I don't haul anything
f150 2 door pick up
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Depending on what engine and trans are in the vehicle,

most of the time it is internal, od clutches burned, possibly valvebody gasket if its a small engine with the 5r55e or 5r55s 4r70w have other issues
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
LAURBUNCH
  • MEMBER
  • 3 POSTS
  • 1915 FORD F-150
I have a 1996 Ford E150 conversion van. I just had the transmission pan gasket replaced and the fluid replaced no problems noted. Now after the van has been driven about 15 miles the override off flashes on the shifting handle. Once the car is turned off and started back up the light is off but comes back on after about 15 miles again. No leaks in the transmission but a little bit of a whinning noise if going under 40 MPH.

We have a manual overdrive. Fluid level is fine, don't know what type neighborhood mechanic did repair. Filter not changed. Transmission tune up?
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Thank you for the donation.

Was the filter also changed?
What fluid was used?
Did you recheck the level?
Can you get the codes pulled from the computer?
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)

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