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

Trouble Codes......

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Old Mar 25, 2002 | 01:41 PM
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Default Trouble Codes......

Guys,

This past weekend the SES light came on. It went away after a minute or two. It did this three times in about the last 3-4days. At all times going back off after just a couple minutes. The car is still driving around fine. I haven't noticed anything not as it should be. On the '94's, is there any easy way to pull the codes? I know on the older GM cars you can just use a paper clip on the ALDL connector to "flash" the codes.

Thanks.
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Old Mar 25, 2002 | 03:08 PM
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Default Re: Trouble Codes...... (Hi-psi)

You can still use a paper clip on your 94.
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Old Mar 25, 2002 | 03:11 PM
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Default Re: Trouble Codes...... (Hi-psi)

Then go here http://www.corvettedoctor.com/Codespage.htm
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Old Mar 25, 2002 | 04:26 PM
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Default Re: Trouble Codes...... (JonM)

Kewl. Forgive my ignorance,....but I haven't even had a chance to look,...but where exactly can I find the ALDL connector on a '94?

BTW,...the Trouble Code link works,...but when you try to click on the 1994 page it can't find it.

Anyone have another link?
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Old Mar 25, 2002 | 05:07 PM
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Default Re: Trouble Codes...... (Hi-psi)

where exactly can I find the ALDL connector on a '94?

BTW,...the Trouble Code link works,...but when you try to click on the 1994 page it can't find it.

Anyone have another link?
The ALDL should be right above your right knee when you sit in the drivers seat....try this link... http://home.fuse.net/c4/
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Old Mar 25, 2002 | 07:11 PM
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Default Re: Trouble Codes...... (Hi-psi)

You can not get the codes on the 94 PCM with the paperclip method. You will need a scanner to pull them.

Terry
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Old Mar 25, 2002 | 07:39 PM
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Default Re: Trouble Codes...... (TPiS)

Yes u can. The codes flash in the speedo aea of the dash. Had a 94 vert and I got them that way.
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Old Mar 25, 2002 | 08:08 PM
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Default Re: Trouble Codes...... (Jeffvette)

Paperclip did not work. Dunno what may have been different about your '94 but it didn't work on mine. My car has the large OBD I connecter,...it's a little larger than the regular ALDL connector. No combination of terminals would show the codes.

Will the local parts store have one of those little cheap scanners that will work on the 94's or will I need to locate a Snap-on scanner? Also,....RamChargers, formerlly Modern MuscleCar, makes a scan tool for the LT-1 cars called a Scanmaster. I've used the Buick version for years in both my TTA and Turbo Buick. Does anyone know if it works with a OBD I '94 Car?
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