Overdrive light flash at startup
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Senior User
Joined: Jul 2009
Posts: 168
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From: North Carolina
Overdrive light flash at startup
I've noticed twice in the past couple of weeks that when I first start the engine, the O/D light flashes (in some sort of Ford morse code) for perhaps 10 seconds. Then it stops. I haven't noticed it while I was driving, although I am not sure I'd see it if it did, I'm not exactly staring at the shifter while I drive.
I've searched a couple threads on here and it sounds like this could mean any number of things. Any ideas? I am going in to dealer tomorrow morning for recall stuff, so if I need them to pull codes I can, I am just always skeptical of dealer mechanics so like to be armed with info and appropriate questions...
Thanks!
I've searched a couple threads on here and it sounds like this could mean any number of things. Any ideas? I am going in to dealer tomorrow morning for recall stuff, so if I need them to pull codes I can, I am just always skeptical of dealer mechanics so like to be armed with info and appropriate questions...
Thanks!
Cargo Master
Joined: Jun 2003
Posts: 3,292
Likes: 6
From: Ardenvoir, Washington
Taking the truck to the dealer should be a last resort.. What city in NC do you live..? Maybe a fellow member can stop by and read your codes for ya.. and go from there.. There is a lot of expert help here on the forum to solve the problem without going to the stealership..
Suggest you start another thread saying ... "Need Scanner Help in xxxxxxx, NC.."
Suggest you start another thread saying ... "Need Scanner Help in xxxxxxx, NC.."
Thread Starter
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Senior User
Joined: Jul 2009
Posts: 168
Likes: 0
From: North Carolina
Yes, found out this morning that dealer wanted $110 to pull the codes! I politely said "over my dead body," let them give me my free oil change, got my recall speed control thingy replaced, and left. I haven't noticed any shifting issues. I have been hauling the horse trailer a lot lately, but it's only about 5000 lbs and haven't had any problems.
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Frmr Ford Trans Engr
Joined: Aug 1999
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From: SE Florida
Ignoring it usually leads to a transmission rebuild.
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Cargo Master
Joined: Jun 2003
Posts: 3,292
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From: Ardenvoir, Washington
Not always.. I had a flashing OD light and it was a bad VSS sensor a couple of years ago....
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,640
From: SE Florida
The VSS is part of the transmission system, so this still qualifies as a transmission problem.
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Senior User
Joined: Jul 2009
Posts: 168
Likes: 0
From: North Carolina
Thanks for all the info, y'all. I'll get codes pulled and may even have time to clean off the sensor this week...at least I can tell myself that, good intentions count, right?
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