Duramax Diesels Forum Truck of the Week
  #1  
Old 11-21-2010, 08:40 PM
jimjim1990 jimjim1990 is offline
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Default Tranny stuck in third

I was driving my dads truck 2001 gmc 2500 hd duramax with the allison and he has the edge programmer in it. I cranked it up to level four and got on the gas hard, and now the engine light is on and it wont shift out of third gear. It has done this before and all we did was shut the truck off and and let it sit for a bit and it reset itself. However this time it is not resetting itself. What do i do?
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  #2  
Old 11-21-2010, 08:46 PM
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Ridin'GMC Ridin'GMC is offline
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Transmission limp mode. The trans slipped and went in limp mode. That's what happens when you crank up the power on a stock trans. Clear the codes, turn down the power. It's going to limp easier next time when you hammer on it.
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  #3  
Old 11-21-2010, 08:56 PM
jimjim1990 jimjim1990 is offline
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is there any way of clearing the codes without the computer?
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  #4  
Old 11-21-2010, 09:10 PM
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66impala 66impala is offline
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the edge should clear all codes. never had a problem with mine that i had. go to the DTC code reader part of the edge. clear the codes and go if not call edge and let them know whats going on.
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  #5  
Old 11-21-2010, 09:44 PM
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If it is a juice with attitude it does not have a code reader in it or at least when I had the edge it never did. Shutting it off should reset it but if it does not then something else may be wrong.
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  #6  
Old 11-22-2010, 06:56 AM
jimjim1990 jimjim1990 is offline
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it doesnt have the code reader and shutting it off doesnt do it im gonna try disconnecting the batteries today and see if it helps.
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  #7  
Old 11-22-2010, 07:41 AM
LBZ_Duramax LBZ_Duramax is offline
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IIRC a standard code reader will not clear a trans code in a 01
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  #8  
Old 11-22-2010, 07:52 AM
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Noreaster Noreaster is offline
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IIRC CEL will shut off after 100 miles
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  #9  
Old 11-22-2010, 08:18 AM
jimjim1990 jimjim1990 is offline
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Went out to work on the truck today and everything is reset just need to get the engine light turned off. Thanks for all the help guys.
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  #10  
Old 11-22-2010, 08:28 AM
dmaxchebby dmaxchebby is offline
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Quote:
Originally Posted by jimjim1990 View Post
Went out to work on the truck today and everything is reset just need to get the engine light turned off. Thanks for all the help guys.
Before your dad finds out you slipped his tranny for him...
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  #11  
Old 11-22-2010, 08:29 AM
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I believe it's start stop engine cycles that get it moving again and or eliminate the SEL light. If you don't have a scan tool like a Tech II or EFI or a Snap On tool see if you can go to a autoparts store like Advanced and see if they will clear it.

Like I said eventually it will go out on it's own
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  #12  
Old 11-22-2010, 08:46 AM
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It is four or so cycles to get it out of limp mode... and that is full cycles, turn on-off, open close door, x4.
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  #13  
Old 11-22-2010, 09:08 AM
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Flash your headlights blow your horn and run around the truck clockwise. 4x
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I have nothing want nothing because what I have cost me to much to have.

01 Big Dually (Gone but not forgotten)
05 Fat-Boy (gets it done)
83 CJ7 (slug but cool)
07 Audi A4 ( I like German Girls they're HOT!!)


LIFES JOURNEY IS NOT TO ARRIVE IN HEAVEN SAFELY IN A WELL PRESERVED BODY,
BUT RATHER TO SKID IN SIDEWAYS,
TOTALLY WORN OUT, SHOUTING,HOLY SHIT WHAT A RIDE!
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  #14  
Old 11-22-2010, 09:46 AM
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COUNTER-clockwise. jeez.
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4" MBRP no kitty, Suncoast Stg IV, Twin Kennedy Lift pumps, EFI Live (BT Diesel tune)
1000+rwtq on my daily tune
To be installed: DSP 5
To Buy: Twins & More tires

2001 Audi A4 1.8TQM
3076r on a built motor...
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  #15  
Old 11-22-2010, 10:05 AM
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Quote:
Originally Posted by scratchrob13 View Post
COUNTER-clockwise. jeez.
My bad sorry..........
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I have nothing want nothing because what I have cost me to much to have.

01 Big Dually (Gone but not forgotten)
05 Fat-Boy (gets it done)
83 CJ7 (slug but cool)
07 Audi A4 ( I like German Girls they're HOT!!)


LIFES JOURNEY IS NOT TO ARRIVE IN HEAVEN SAFELY IN A WELL PRESERVED BODY,
BUT RATHER TO SKID IN SIDEWAYS,
TOTALLY WORN OUT, SHOUTING,HOLY SHIT WHAT A RIDE!
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