Tow/Haul Light Blinking - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 04-29-2012, 07:31 AM Thread Starter
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Tow/Haul Light Blinking

I'll start this off by saying I searched the forum, as well as google, and didn't get any super definite answers to my questions.

But as the title states, my Tow/Haul light is blinking in my truck. Started it up this morning and as i'm leaving my girlfriend's neighborhood the light starts blinking and the trans doesn't seem like it wants to find a gear and stumbles a bit. Finally it finds a gear and seems to be driving normal, but the light is still on. I get onto the long stretch of road before my house and i'm doing about 50 and the trans doesn't shift into overdrive. I get home and pull out my SCT and get codes

-P0766 Shift Solenoid Performance or Stuck
-P2703 Trans Friction Element 5 Apply Time Range/Perf

I cleared the codes and the light went away. took a very short drive and went WOT a couple times. Trans shifts fine, no light, and everything a-ok.

I've read that there is a good possibility that my trans has **** the bed, hopefully that's not the situation i find myself in. Also, i just started running looney tune from vivian about three weeks ago. Thanks for any help/suggestions guys.

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post #2 of 4 Old 04-29-2012, 07:47 AM
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My father in law had this happen on his 03 and it was a wiring harness in the transmission that went TU.

Sent from my DROID RAZR using AutoGuide.Com Free App

2003 F-350 6.0 Crew Cab
Mods done:
Blue spring update
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Mods wanted:
5" MBRB turbo back exhaust
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post #3 of 4 Old 04-29-2012, 10:20 AM Thread Starter
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Originally Posted by MY03350 View Post
My father in law had this happen on his 03 and it was a wiring harness in the transmission that went TU.

Sent from my DROID RAZR using AutoGuide.Com Free App

Sorry, but what does TU mean? Thanks

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post #4 of 4 Old 04-29-2012, 11:03 AM
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Quote:
Originally Posted by ucf_stang View Post
Sorry, but what does TU mean? Thanks
apparently I need ten characters to tell you it means "tits up"
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