LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Lt1 Tuning: Crashed!

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Old 06-28-2011, 08:03 PM
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Default Lt1 Tuning: Crashed!

Hey guys, in need of Some help!
I was trying to pull the tune off my 94/95 pcm using winflash, and midway through I got an 8201 error and it closed the program. Now my car will fire up but not stay running. Also tuner pro wont connect.
The laptop and car had good battery power, and I tried to reset the pcm by disconnecting the battery for 15. Still no dice.
any help for a kid that wants to enjoy summer?
Old 06-28-2011, 08:38 PM
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You fried something in the computer. You need a new one or if I remember right madz28 fixes them.
Old 06-28-2011, 08:38 PM
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sounds like it thinks your stealing it... probly just cutting the fuel. as for why? i donno...

if you dont figure it out we can try to get my laptop to connect to it and maybe save it with tuner cats.
Old 06-29-2011, 12:56 AM
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We could try that, do you guys think its for sure bricked?
Some people have said when theirs tanked, it didnt even turn over, let alone start.
Old 06-29-2011, 01:24 AM
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i doubt it.. let me know if ya wanna try hooking mine to it.. also have a spare pcm we could throw in just to verify if thats the problem or not.. got the afternoon off wednesday pm me if you got time then
Old 06-29-2011, 08:15 AM
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If you were just reading the PCM and not uploading a tune that will not destroy it. The only way it gets ruined is by getting interrupted during reflash becasue all the data has not been written.
Old 06-29-2011, 10:35 AM
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Originally Posted by Mystery Bird
If you were just reading the PCM and not uploading a tune that will not destroy it. The only way it gets ruined is by getting interrupted during reflash becasue all the data has not been written.
^^ Yup, I have had this happen a few times even on LS engines, the PCM will be in a frozen state, what I do is pull the PCM fuse, turn the key to on and wait 10 seconds for the security check, Key off, install the fuse and all should be good. It has always worked for me..
Old 06-29-2011, 01:55 PM
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I toasted mine once and the thing would start up then die after about 1.5 seconds. Sent the PCM off and got it back and what-do-u-know it WORKS!!!

If you are decent with a solder gun order the chips and put them in yourself..
Old 06-29-2011, 05:08 PM
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Originally Posted by Mystery Bird
If you were just reading the PCM and not uploading a tune that will not destroy it. The only way it gets ruined is by getting interrupted during reflash becasue all the data has not been written.
Thanks for correcting me I misread it. I thought he was re flashing the computer.
Old 06-29-2011, 10:13 PM
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It's probly done, send it to madz for 50$ it's fixed I've done it some how my cable came loose while I was uploading a tune... have you tried to "read the pcm" or apply another tune to it????
Old 06-29-2011, 11:03 PM
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Originally Posted by pro94lt
It's probly done, send it to madz for 50$ it's fixed I've done it some how my cable came loose while I was uploading a tune... have you tried to "read the pcm" or apply another tune to it????
did you even read the thread? much less just the post before yours?
Old 06-29-2011, 11:24 PM
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Originally Posted by nitrous2fast
i toasted mine once and the thing would start up then die after about 1.5 seconds. Sent the pcm off and got it back and what-do-u-know it works!!!

If you are decent with a solder gun order the chips and put them in yourself..
Originally Posted by pro94lt
it's probly done, send it to madz for 50$ it's fixed i've done it some how my cable came loose while i was uploading a tune... Have you tried to "read the pcm" or apply another tune to it????
rtmft!!!
Old 06-30-2011, 06:30 AM
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Originally Posted by pro94lt
It's probly done, send it to madz for 50$ it's fixed I've done it some how my cable came loose while I was uploading a tune... have you tried to "read the pcm" or apply another tune to it????
Old 06-30-2011, 10:28 PM
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Originally Posted by moehorsepower
^^ Yup, I have had this happen a few times even on LS engines, the PCM will be in a frozen state, what I do is pull the PCM fuse, turn the key to on and wait 10 seconds for the security check, Key off, install the fuse and all should be good. It has always worked for me..
Had the same thing happen to me awhile back. Pulled the fuse and all was well again.
Old 07-01-2011, 10:33 PM
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God bless you all.



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