C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Tech 1 advice needed

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Old May 31, 2011 | 08:03 AM
  #1  
Qiken's Avatar
Qiken
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From: Victoria
Default Tech 1 advice needed

I m learning to use a Tech 1 I have aquired o my 89,it has the mass storage cartridge etc.
it runs the initial test "service engine" light constantly on and flashes code 12.,just when I try to check any thing else it says "receiving data" but after 10 minutes i give up.
I have checked and cleanded connections,but still the same.
Any suggestions?
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Old May 31, 2011 | 10:59 PM
  #2  
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mike100
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From: San Marcos CA
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Originally Posted by Qiken
I m learning to use a Tech 1 I have aquired o my 89,it has the mass storage cartridge etc.
it runs the initial test "service engine" light constantly on and flashes code 12.,just when I try to check any thing else it says "receiving data" but after 10 minutes i give up.
I have checked and cleaned connections,but still the same.
Any suggestions?
I bought one in February (used) and it did the same thing. I tried another early GM car..nada... I did manage to get some of the tests for the CCM to function, but never any real-time serial data stream or codes.

I ended up sending the whole shebang, cord and all to Bosch/Vetronix service center up in Santa Barbara...a new main board, cable, keypad cover sticker, and $690 later, it was good to go.

If I would have known I was going to have $900 into it, I would not have bought one probably. I have fixed four cars with it though...most importantly, mine. I even found the data capture useful- it does a lot, it's just the interface is limited.
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Old Jun 2, 2011 | 03:00 AM
  #3  
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Qiken
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From: Victoria
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I hope this is not what is happening with mine,Im still hoping that its "operator error" due to learning although the unit appears simple.
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Old Jun 4, 2011 | 05:56 PM
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From: FL
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You need F/Y 86-89 5.0/5.7 pin E adapter , it will have part number
TA02149 or 02001244.
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