Flashing overdrive "off" light, 2000 F150 4.2L auto - F150online Forums

Flashing overdrive "off" light, 2000 F150 4.2L auto

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Old 05-01-2005, 06:20 PM
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Join Date: May 2005
Location: Los Angeles
Vehicle: 2000 Ford F150
Posts: 4
Flashing overdrive "off" light, 2000 F150 4.2L auto

Got strange flashing light (no not UFO!). Overdrive "off" light in gear selection lever is flashing. Flashing is at a rate of 1 flash/second. Not random. Is this a message from the Ford great beyond? What gives? Is it a trouble code of some sort? Hope someone can explain this. Thanks in advance, Goballistic
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Old 05-01-2005, 06:27 PM
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Vehicle: 1999 Ford F150
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There are 115 possibilities.
Too many to type here.

Using the SEARCH feature:

Word or Phrase = 'flashing'
Forum = Transmissions
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Old 05-02-2005, 12:54 AM
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Join Date: May 2005
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Vehicle: 2000 Ford F150
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Thanks Raoul

After searching as you suggested the tales of doom & gloom regarding the "Flashing light" are numerous. I haven't had this issue (3 years of ownership) until now. For the record, I installed two pre catalitic HO2 sensors today. The neg battery connection was removed prior to doing work and was disconnected for 2/3 hrs. This cleared all computer memory-codes including Keep Alive Memory. Either the clearing of the ODBII caused this to occur (start up diognostic?, Glitch?) or the problem has existed since I purchased the truck. I soppose it is possible (upon reboot) the OBD found the error. It's also possible this happened to the previous owner and I was not aware of it (since the flashing stops the first time vehicle is turned off). If the problem was pre existing over the 3 years I've owned the truck shoulden't the tranny have died! The trans shifts normally and overall trans performance has not changed in the time I've owned the vehicle. I hesitste to grant the Ford service dept. access to my wallet unless it is absolutely necessary! Raoul, let me know what you think. All comments are welcome so lets hear it!
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Old 05-04-2005, 12:14 PM
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Join Date: Aug 2002
Location: Winchester, MA
Vehicle: 2001 Ford F150
Posts: 357
It would be worth having the trouble codes scanned. Even if the dealer gave you a heads up on what the problem is, your're a step ahead.
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