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over drive light blinking

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Old Jul 20, 2013 | 11:03 PM
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over drive light blinking

My overdrive light blinks sometimes, It seams when I am pulling a hill or on it hard. Started about four months ago. od light came on and the truck died. started back up did this for about 300 miles. Changed the CPS and the truck has not died again. OD light still flash tho. I pulled code and nothing.
What could be causing it
Thanks for the help
 
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Old Jul 20, 2013 | 11:10 PM
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How are you checking for codes?

A blinking OD light indicates a trans problem.

Stewart
 
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Old Jul 20, 2013 | 11:21 PM
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code reader under the dash
 
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Old Jul 21, 2013 | 02:38 AM
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Originally Posted by luvemhot
code reader under the dash
That makes no sense to me.

What are you using to pull the codes? AE? SCT? DiabloSport? SnapOn code reader?

Stewart
 
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Old Jul 21, 2013 | 05:36 AM
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Originally Posted by luvemhot
OD light still flash tho. I pulled code and nothing.
There is a code, you just are not using the right tool to read it. Without the code NOBODY knows what's wrong.
 
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Old Jul 21, 2013 | 08:08 AM
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The basic scan readers won't be able to read codes for the transmissions. You'll need to find someone with AutoEnginuity (AE) to read the codes from your transmission.
 
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Old Jul 21, 2013 | 12:28 PM
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Thanks will have it read by another reader. The reader my son is using is the one he uses for his shop.
 
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Old Jul 21, 2013 | 01:08 PM
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I bet it's just a basic scanner that most auto part stores use to check check engine lights with. As stated that will not tell you anything. AE and I believe the fancy smanchie snapon should do the trick.
 
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Old Jul 21, 2013 | 01:36 PM
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i believe a smanchie is what he has. But he tole me he know someone that have a better one than his that will read i for sure.
 
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Old Jul 26, 2013 | 01:50 AM
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Any more info? My truck does the same thing and the shop I went to wanted to charge me to read the codes.
 
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Old Jul 26, 2013 | 05:50 AM
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And what's wrong with that? Do you normally expect people to just give you their labor free? And what about the cost of the tool they had to buy to be able to read the codes?
 
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Old Jul 26, 2013 | 08:01 AM
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I don't know if it's any different with these than the OBS, but my OBS used to do this. The O/D light would flash or come on and the tranny would spaz. It would jump pressures way up, shift super hard and a couple months later the tranny quit.
 
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Old Jul 26, 2013 | 09:22 AM
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Tranny better not quit in does not have 10k miles on it yet
 
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Old Jul 26, 2013 | 01:21 PM
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Originally Posted by PJSPNY
I don't know if it's any different with these than the OBS, but my OBS used to do this. The O/D light would flash or come on and the tranny would spaz. It would jump pressures way up, shift super hard and a couple months later the tranny quit.
If you ignore the flashing light and keep driving that's usually what happens. If you get the codes read you can find out what's wrong and fix it. Sometimes it is something really simple.
 
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