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OS swap on 0411 pcm, HP Tuners

 
Old 08-06-2016, 09:42 AM
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Default OS swap on 0411 pcm, HP Tuners

I am having problems with a 4l80e trans segment swap on my turbo project.
The PCM I am using for it has a 12202088 OS that has been changed to a 3 bar speed density. I have only found two compatible 4l80e tunes in 2 weeks of searching. Both are producing poor results.

I would like to use the more common 12212156 OS. I have that in another vehicle, and it seems to control the 4l80e correctly.

Can I swap OS? Will it require a new license?
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Old 08-06-2016, 02:18 PM
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You can change the OS but you will have to use more credits unless you have unlimited for 2002.
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Old 08-06-2016, 11:55 PM
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gotcha. thanks for the info.
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Old 08-07-2016, 10:28 AM
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on a hunch I swapped my 12202088 pcm into my daily with the 12212156 PCM
c&p'd over all the engine data from my daily and it controls the 4l80e just fine.

Which leads me to believe I have a hardware or wiring issue in the turbo truck.

I still get a really weird result when I swap the trans segment, it puts every cell in my main VE to 552. easy fix, but rather odd.
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Old 08-08-2016, 01:37 PM
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What year is it and what Pcm?
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Old 08-08-2016, 07:25 PM
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2001, 0411
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Old 08-09-2016, 10:01 AM
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Ya I'd use the 12212156 os and segment swap from a 02 express van the Trans segment stuff then upgrade to a 3 bar. That's what I did on my firebird.
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