Overdrive light flashes

Tiny
KCCKWILSON05
  • MEMBER
  • 2005 FORD F-150
  • 5.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 155,000 MILES
Overdrive light flashes after hard shift from first to second gear.
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Saturday, December 15th, 2018 AT 6:41 AM

28 Replies

Tiny
KEN L
  • ADMIN
Hello,

This sounds like you have a shaft speed sensor that is out. Does the speedometer work? If not here is the location of the vehicle speed sensor. If so we should run the codes

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Monday, December 17th, 2018 AT 3:46 PM
Tiny
MORTOX
  • MEMBER
  • 2002 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 109,000 MILES
Service Engine light is on - reporting 2 sensors running lean. Been on for awhile

Overdrive light came on and starting flashing couple days ago.

Today the transimission started slipping and you can hear a grinding noise when going into I think 4th? If I turn on overdrive it doesn't slip.

The PCM module was replaced a couples years ago.

The transmission was rebuilt about 1 1/2 to 2 years ago.

Ant ideas if the transmissions may be at fault or maybe the PCM or exhaust may be causing the slipping?
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
MERLIN2021
  • EXPERT
If you hear a grind when it shifts, you do have a tranny problem, the lean condition can be any type of vacuum leak that allows unmetered air into the intake maniflod, or a weak fuel pump.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
EDWARD BORGES
  • MEMBER
  • 2001 FORD F-150
  • 135,000 MILES
I start the motor then the light of check engine go on and the same time the overdrive light start to flash I try to put to drive she dosent move
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
There is a malfunction in the trans.

Check the fluid first. Beyond that, you will need a shop to see. If you lost all gears, then you may have lost a torque converter.
A shop will confirm.

Roy
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
JESSE
  • MEMBER
  • 2000 FORD F-150
  • AUTOMATIC
  • 100 MILES
2000 Ford F 150 symptoms: 1st heard a dragging noise followed by dying at intersection, the OD light flashing off then the check engine light came on. After backin up into a parking space, started dying when trying to put into gear.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
If the light is on, you need to have the computer scanned for trouble codes. The trouble code will direct you to where the problem is coming from.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
JP1683
  • MEMBER
  • 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
43,000
2003
made in mexico
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
KNIGHTRIDERKITT2000
  • MEMBER
Sounds like it is not kicking into overdrive, hence the straining, and the light, I would take to the dealership or a close reputable transmission shop, to diagnose your problem, could be something as easy as a sensor.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
B. SILVA
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
Hello I have a f150 2001 crew cab and my check eng. Recently came on and now when I turn my truck on, my over drive on/off light flashes and it starts to tug. I have to stop and restart my truck to reset the overdrive and then it good.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
When the lights are on, have the computer scanned to identify trouble codes. Most part stores will do it for free.
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Saturday, October 19th, 2019 AT 10:12 AM (Merged)
Tiny
TAZAPPY
  • MEMBER
  • 2001 FORD F-150
We just purchased a 2001 Ford 150 Crew Cab from a dealership. It has 35,000 actual miles. We noticed a a raspy noise that sounded like rotors rubbing on front tires and pedal seems to vibrate when giving gas at lower speeds but after you get over 30 seems to stop. But you can hear a noise off and on while cruising below 30 at times. They explained that it was a noisy motor that checks the brakes and there was nothing wrong with truck. The only way to get rid of noise is replace motor which would cost us $500. Now tonight on the way home from town about 4 miles out of town with truck set on cruise the overdrive light on shifter came on saying off. And it kept flashing off. I kept pushing button to turn overdrive on and it wouldn't work so I pulled over turned truck off and restarted took off again and after setting cruise 2 miles down the road overdrive went off again and light started flashing. Any ideas what this could be. Dealership told me no warrenty except 30 days 50/50 pay on transmission & engine. Thanks for replies. Tammy
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Saturday, October 19th, 2019 AT 10:13 AM (Merged)
Tiny
JON BOY
  • MEMBER
If the overdrive off light is blinking, then the computer has an error code stored for transmission malfunction. You need to get to the dealership or tranny shop for someone to pull the code for you. Hopefully the code will let you know specifically what the problem is

good look.
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Saturday, October 19th, 2019 AT 10:13 AM (Merged)
Tiny
ANTONIO MIRANDA
  • MEMBER
  • 1999 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 171,968 MILES
My transmission overdrive light doesn't work. It's a 99 F-150. What do I need to fix it?
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Is the OD working? If not, have the TCM scanned to identify where the problem is coming from. If the OD is working, chances are the light in the switch is bad. If I recall, the bulb isn't replaceable. The switch would need replaced.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
DYNAMICSAB1
  • MEMBER
  • 1998 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
The transmission overdrive light on shifter flashes after driving for 10 min. It resets its self after every start up. Why is it flashing.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
VEGASFARMKID
  • MEMBER
That is your transmissions way of telling you something is wrong, like a check engine light. Some local part houses and/or repair shop should be able to read the codes.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
BIGBOY92
  • MEMBER
  • 1997 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 158,000 MILES
What causes the overdrive light to blink on my 1997 ford - F150
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
CUP1981
  • MEMBER
It means there is an electrical problem withing the transmission -- failed solenoid, TCM error or wiring issues. Have it evaluated immediately, as driving it in this condition may cause serious damage.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)
Tiny
GMM
  • MEMBER
  • 1996 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Hello, my eod (electronic over drive) light is flashing and the speedometer/odometer are not working. What would be the cause of this problem? Thanks in advance for any help.
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Saturday, October 19th, 2019 AT 10:14 AM (Merged)

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