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Duramax/Allison stuck in gear!

12K views 5 replies 6 participants last post by  squeeky 
#1 ·
Truck: 01 2500

The truck will not come out of 4th gear, anyhelp guys?


Not mine, my cousins, making the post for him.
 
#2 ·
its stuck in whats called limp mode. if you shut the truck off and wait a couple mins it should be ok again, you can get the tranny reset
 
#6 ·
Limped it!
 
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