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4L80e WOT lockup

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Old Feb 8, 2016 | 11:13 AM
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Default 4L80e WOT lockup

can't seem to get my 4L80e to lock up at WOT no matter what I put in my tables. The only way to get it to work is by commanding it with the controls in the scanner. Maybe I'm missing something here.
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Old Feb 8, 2016 | 11:49 AM
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Does it lock at lower speeds? Maybe post your file and I bet somebody can help.
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Old Feb 8, 2016 | 08:35 PM
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yea it locks just like it should at part throttle. Just doesn't want to at wot.

Here is my hpt file
Attached Files
File Type: hpt
ls1tech.hpt (240.6 KB, 69 views)

Last edited by JDMC5; Feb 9, 2016 at 05:38 PM.
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Old Feb 8, 2016 | 08:58 PM
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Originally Posted by JDMC5
yea it locks just like it should at part throttle. Just doesn't want to at wot.

Here is my hpt file
Couldn't open the file. Says its part or a remote tuning network.
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Old Feb 9, 2016 | 05:39 PM
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hmm that's weird, the new link should work.
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Old Feb 9, 2016 | 06:16 PM
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That worked. When are you trying to get it to lock? Right now you have to be in 3rd gear above 94 mph.
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Old Feb 10, 2016 | 12:32 PM
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Yes that's when I'm trying to get it to lock, but it's not
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Old Feb 10, 2016 | 06:15 PM
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anybody have this issue?
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Old Feb 11, 2016 | 07:51 AM
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What torque converter do you have...?
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Old Feb 11, 2016 | 12:02 PM
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245mm triple disk
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Old Feb 11, 2016 | 12:11 PM
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Originally Posted by JDMC5
anybody have this issue?
Mine is set to lock around 120 mph in 3rd and it does just that. Strange you are having the issue. I can send you my tune when I get home though if you'd like to take a look?
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Old Feb 11, 2016 | 01:25 PM
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Yes I would appreciate that.
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Old Feb 11, 2016 | 05:51 PM
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Change the entire TCC min DC table to 90. And scan the torque converter pids at WOT.

Russ Kemp
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Old Feb 11, 2016 | 06:49 PM
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heres a scan. the two in the middle of the scan are showing no converter lock and the two at the end show it locking commanding in the scanner. As you can see in the tune lockup is set for 94 mph. Has anyone had any luck with support? Who is good at actually resolving concerns? Every time I send in a concern I get a condescending remark from a certain individual that will remain nameless.
Attached Files
File Type: hpl
locked converter.hpl (128.4 KB, 56 views)
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Old Feb 11, 2016 | 06:51 PM
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Originally Posted by Russ K
Change the entire TCC min DC table to 90. And scan the torque converter pids at WOT.

Russ Kemp
good call on the min tables.
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