PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

got a TC lock prob. help

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Old 07-29-2003, 07:02 PM
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Default got a TC lock prob. help

I have tried all I can think of with edit.. At the 3-4 shift the TC unlocks for a second, then shifts, then locks up again.. This is just cruising around. It didn't do it a while ago, now even with putting stock settings in it, still does it... Anyone, have an answer or what to check?
Old 07-30-2003, 04:46 PM
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Default Re: got a TC lock prob. help

no one damn!!
Old 07-31-2003, 08:58 AM
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Default Re: got a TC lock prob. help

still nobody, this thing is weird...
Old 07-31-2003, 09:56 AM
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Default Re: got a TC lock prob. help

Same issue here...I remember someone asked the question a while back and got no answer (not from Ken Kelly either):
Why does pcm unlock TC during shift even though the option in Edit is set to TCC Lock during SHift = 1? (and of course all the unlock/lock values are set properly).
Old 07-31-2003, 10:04 AM
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Default Re: got a TC lock prob. help

yes, I even set mine back real close to stock... just to see... I have messed with it all.. I tonly started doing this recently, didn't do it a while ago..
Old 08-01-2003, 03:48 PM
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Default Re: got a TC lock prob. help

A misfire will cause your TC to unlock. Try eliminating misfire detection (only temprorarily if you would like) and see if the problem goes away.

Change Misfire detection temp to 155 and 154 respectively.
Old 08-02-2003, 04:50 PM
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Default Re: got a TC lock prob. help

Only problem is , its ONLY unlocking the second before the 3-4 shift, then shifts, then re-locks..

Old 08-03-2003, 07:31 PM
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Default Re: got a TC lock prob. help

Well the easy fix, which seems to drive fine is---
to just make the 3rd gear lock up later than the 4th. so it won't lock 3rd.. no biggie drives fine.
I actually have it shift to 3rd at say 30 then 4th at 35 then lock at 38.. the mph #'s are like 5-10 higher in edit than real life.. Takes some time and trial but works well, and doesn't **** me off now. Thats all that matters to me




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