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I've been seeing this a lot. 87 octane is garbage at least run 89. Especially in older pcms. Headers add to knock so make sure its not false knock.

In minimum throttle release set both low speed tps and high speed tps to 0. All 4 of them.

Sounds like a transmission pump problem. Any inconsistent shift firmness under normal driving conditions? Such as a bang then a slide shift related to trans temp. I cannot open your log but check and...

Another thing is if your a running a custom os like a 2 bar you must go back to the stock file so you have the proper os to find a match. I learned that the hard way.

In the tune repository.

Nevermind segment swap complete.

Os 1281003 2001 firebird for a 4l80 segment swap. I've searched all over can't find one.

Disregard my last post email was sent to support with customer id.

Trying to stay on top of the upgrades and my 2.25 is not showing up today to upgrade. Hasn't been upgraded in months.

I'm fighting the same problem...

I'm sorry for all the repetitive emails but it all of a sudden started working. I was on vista before I bought a new computer. I did scan an 07 expedition just to hook it up to a Ford but I think the...

Before this mess started it asked for my application key.

I can plug it in my truck and can't even read the tune.

I did a fresh reboot before installing a few weeks ago. No junk on the computer.

I did.

Used 4 credits on 2 different trucks now when I pull up the credited tunes it asks to credit it again. I don't know what happened but I need this fixed soon. Should I try reinstalling or will I...

I totally understand thanks for the help. I didn't know every year was different.

More than likely the problem lies between the tcm and shift solenoid. It is an assembly and I think the internal wire harness is damaged. So what would interchange? 08 or 09 maby? Because opening...

Vehicle is a 2010 with original unit. Same problem it came in with. Valve body and tcm I want to install out of an 07 trying to correct neutraling when commanding 2nd. I'm with a transmission shop...

I have a 2010 Silverado with a 6l80 and is having tcm issues with repeated 2nd gear issues. It will neutral when commanding 2nd. Will an 07 tcm work with a segment swap can't find os information....

It's easy contact support for 2.25 beta. You just need a stock file for comparing like an 03 2500 and there's a box called segment swap. Just copy trans and trans diagnostic. If you have a 4wd with...

Thank you.

I'm performing a 4l80 swap in a 2000 z71 and in need of a stock tune for a segment swap so my truck shifts when in 4low. 5th Vin digit is k. There isn't any in the repository that will work.