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

Trouble code in module 1 '94

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Old Dec 6, 2007 | 11:51 AM
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94vetten73stang's Avatar
94vetten73stang
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Default Trouble code in module 1 '94

I have the code H41 module 1. Which is computer is this and what does the code mean? Which computer is module 4?

Thanks, Brad
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Old Dec 6, 2007 | 08:59 PM
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Default tc in '94

Brad, I too have a '94 and had to check up on some codes on my car.I believe that's the ECM and a Knock sensor code stored. check out this info I got from this forum that helped me understand "how to" read the codes and which modules are what. http://www.c4guru.com/articles/CCMCodePull.pdf
I know that it says the older models, but read down the list and it applies to our yr/model.
hope that helps Harry

Last edited by Harryscarlot; Dec 6, 2007 at 09:06 PM.
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Old Dec 6, 2007 | 11:59 PM
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HEY, thanks TON! This is really helping me understand my car. I think my CCM is bad!!!!!
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