LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

I think my PCM is messed up can I use my friends pcm on my car?

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Old 07-28-2003, 03:17 PM
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I think my PCM is messed up can I use my friends pcm on my car?

we both have 96 TA and both are a4 cars can I use his pcm to rule it out? will it plug in and run right?
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Old 07-28-2003, 03:19 PM
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Yes, you can use his on your car. Sorry I couldn't reply to your last email quicker. If he's got different gears, your speedo will be off, but at least you'll be able to tell if the PCM is the problem.
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Old 07-28-2003, 03:24 PM
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does it matter if it is a six speed pcm or a4 pcm?
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Old 07-28-2003, 03:30 PM
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It will start with either one, but the speedo will be WAY off with the 6 speed PCM and your tranny won't shift right. But, you can use it for testing the RPM/codes/whatever.
If you want to use it permanently, you need to have it reflashed with a4 code.
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