2003 6.0L Tow/Haul Lights Flashes - Ford Truck Enthusiasts Forums



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2003 6.0L Tow/Haul Lights Flashes

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Old 10-05-2009, 02:02 PM
Freedom0115 Freedom0115 is offline
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2003 6.0L Tow/Haul Lights Flashes

I have a 2003 F350 Crew cab DRW 6.0L Diesel. I have been experiencing problems with the trans all summer. It seems the tow/haul light starts flashing and at that point the trans starts shifting irregularly. Such as starting off from a dead stop, the trans will be in 2nd gear or at higher highway speeds it doesn't down shift as it should when calling for more acceration... All of this only gets worse if I tow my boat. So far we have changed out the shift solinoids with still no luck..

Can anyone help?
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Old 10-05-2009, 02:54 PM
l-m tech l-m tech is offline
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what code are you getting
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Old 10-05-2009, 03:28 PM
Freedom0115 Freedom0115 is offline
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Just the " Keep Alive Memory" which I had reset at the dealer.
My friend from the dealership is bringing the Ford scan tool over tonight and we are going to check it again.
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Old 10-05-2009, 06:18 PM
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With the tow/haul light flashing, you'll have tranny related DTC, that sure will lead you to the source of the problem....I'm sure the Ford scan tool will pick it up.
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Old 10-05-2009, 08:37 PM
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I had a similar problem with mine in the spring, my fix was the TFT sensor in the trans was bad. It would run fine for a mile or 2 then the trans temp gauge on the dash would bury hot and I would start getting the weird shifts. If this is your problem, it's a very easy fix.
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Old 11-02-2009, 07:51 PM
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Well the trans codes are as follows... Hope someone can help me here..
P2703
P0730
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Old 11-02-2009, 07:52 PM
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Code P2703 and P0730
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Old 11-02-2009, 11:36 PM
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p2703 -Transmission friction element d apply time range/performance
p0730-incorrect gear ratio
i dont no if that helps im lost when it comes to trannys good luck
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Old 11-03-2009, 04:45 AM
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Quote:
Originally Posted by Freedom0115 View Post
Code P2703 and P0730
Now, this is not good. Even though these codes could be related to a faulty shifting solenoid, but a solenoid usually have it's "own" DTC.
I've had symptoms as you have, and I've had gear ratio and friction element codes, and I ended up rebuilding my tranny......
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Old 11-03-2009, 02:42 PM
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Freedom....are you running a tuner on the truck?
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Old 11-03-2009, 03:14 PM
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I was running a Bully Dog Power PUP.... since this problem has occured I removed everything and put it back to stock.... The programer only elevated the symptoms even worse..
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Old 11-03-2009, 04:26 PM
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transmission. (transmission is shot!!!!!!!!)
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Old 11-03-2009, 05:50 PM
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What do you mean it shifts irregularly? Is it slipping?
I understand that it gets stuck in 3rd gear at a stop. Do you have any symptoms in reverse? I'm asking, because the week part of the 5r110 transmission is the direct clutch, and if you have a problem with that, it will get stuck in 3rd gear sometimes, you also will notice slipping between 3-5th gear, but it also will act weird in reverse ( delayed engage, shaking ).
Anyways, the bottom line is, you got friction DTC-s, and you mentioned that you drove the truck like that all summer long - and towing a boat, so I believe that you will facing a tranny rebuild. If you like the challenge, you could do it yourself, but I'll tell you by experience, that it's one of the hardest jobs on the 6.0 - mostly because dropping and reinstalling that heavy beast. But it's still doable, and if you decide not paying about $2500-3500 on labor I highly recommend getting a torqueshift rebuild manual - you can find'em on ebay.
For the time being you could try replacing the fluid, but i doubt that will help.
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Old 03-10-2014, 08:29 AM
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Quote:
Originally Posted by Freedom0115 View Post
Well the trans codes are as follows... Hope someone can help me here..
P2703
P0730
My truck is doing the same thing and still haven't figured it out. But I replaced the trans temp sensor and it didn't help out.
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Old 03-10-2014, 09:12 AM
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Quote:
Originally Posted by 03powerstrokefl View Post
My truck is doing the same thing and still haven't figured it out. But I replaced the trans temp sensor and it didn't help out.
What codes did you have stored?
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2003, 2004, 2005, 250, 60l, code, dtc, f250, f350, flashing, ford, haul, light, p2703, problems, shift, tow

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