Duramax Diesels Forum Truck of the Week
  #1  
Old 01-14-2019, 08:53 AM
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Default LML TCM quit on me

My 2011 LML bone stock tuning TCM quit on me this weekend. Limped it home and read p0700 with EFI.
By symptoms it is the TCM....shift range inhibited, no mark under gear, stuck in 3.
While idling and checking codes the truck in Park lever position the truck cycled through a few gears and reverse then went into neutral, no matter which position the lever was in.

question is if I buy a TCM, can I flash the initial tune and where can I get a full trans tune?

I have made changes to my LB7 TCM, but never gone from no tune to full stock flash.

Need some direction guys

Thanks
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  #2  
Old 01-14-2019, 08:57 AM
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Try pulling stock tcm tune from bad tcm.
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Old 01-14-2019, 09:04 AM
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I have not tried that yet. Ay work now, but will later. I assumed it would be corrupted if the TCM is not functioning correctly
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Old 01-14-2019, 09:05 AM
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Call me.
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Old 01-14-2019, 09:27 AM
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I will in a few Mike. Thanks
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Old 01-15-2019, 10:26 AM
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where is best place to buy a blank tcm? Amazon has an AC Delco but it wont ship to my address??? Any other recommendations?
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Old 01-15-2019, 10:36 AM
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Rockauto
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Old 01-15-2019, 02:45 PM
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Quote:
Originally Posted by Ne-max View Post
Rockauto
Thanks, Just ordered one.
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2011 LML maybe a little not stock
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Old 01-15-2019, 10:41 PM
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Quote:
Originally Posted by fast03 View Post
where is best place to buy a blank tcm? Amazon has an AC Delco but it wont ship to my address??? Any other recommendations?
Did they give you any reason why they won't ship to your address? I've never heard of that before.
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Old 01-16-2019, 04:32 AM
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Quote:
Originally Posted by AZlml View Post
Did they give you any reason why they won't ship to your address? I've never heard of that before.
California prop 65 Iím guessing.
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Old 01-16-2019, 08:06 AM
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Quote:
Originally Posted by AZlml View Post
Did they give you any reason why they won't ship to your address? I've never heard of that before.
I posted the question and no answer yet. I would also expect something via email, but nothing. Oh well, RockAuto had it so I ordered there.
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Old 01-16-2019, 08:20 AM
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I tried to order some tail lights on Rock Auto but they would not ship to me in California because of prop 65. Saying something like the seller has not provided documentation required by prop 65.
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Last edited by SoCalMike; 01-17-2019 at 07:59 AM.
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  #13  
Old 01-17-2019, 07:56 AM
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Quote:
Originally Posted by SoCalMike View Post
I tried to order on tail lights on Rock Auto but the would not ship to me in California because of prop 65. Saying something like the seller has not provided documentation required by prop 65.
interesting. I went back and reviewed comments on Amazon and saw others with the same complaint. The seller replied back said they in fact could ship. I suspect the seller probably did a sale outside of Amazon after seeing the comment.
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