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Old Sep 29, 2010 | 04:04 PM
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I have a 99 coupe aprox. 30,000 Mi. The anti theft system seems to preventing it from cranking. No chimes no underhoodlight ect. If I remove the neg batt. cable and reattach everything comes back and it starts right up. Runs fine once started.
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Old Sep 29, 2010 | 04:06 PM
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Originally Posted by kendall2543
I have a 99 coupe aprox. 30,000 Mi. The anti theft system seems to preventing it from cranking. No chimes no underhoodlight ect. If I remove the neg batt. cable and reattach everything comes back and it starts right up. Runs fine once started.
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http://www.c5forum.com/ayc/dtcdic.php
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Old Sep 29, 2010 | 04:15 PM
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Old Sep 29, 2010 | 10:47 PM
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Bad EBCM.
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Old Sep 29, 2010 | 10:49 PM
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Originally Posted by M3MOTORSPORTS
Bad EBCM.
Did you post on the wrong thread?
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Old Sep 30, 2010 | 02:08 AM
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Originally Posted by lucky131969


must post codes
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Old Sep 30, 2010 | 02:09 AM
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Originally Posted by M3MOTORSPORTS
Bad EBCM.
probably not
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Old Oct 1, 2010 | 11:31 AM
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Same symptoms happened to mine. This was the problem. Just offering up what caused my issue. I realize codes are the key to the puzzle. Just trying to help.
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Old Oct 1, 2010 | 11:35 AM
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Originally Posted by M3MOTORSPORTS
Same symptoms happened to mine. This was the problem. Just offering up what caused my issue. I realize codes are the key to the puzzle. Just trying to help.
Sorry, I'm not buying that. A bad "BCM"....yes, but not a bad EBCM.
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Old Oct 1, 2010 | 11:39 AM
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When I bought mine from GM it was labeled Electronic Body Control Module "EBCM". Sooooo. now what?
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Old Oct 1, 2010 | 11:54 AM
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Originally Posted by M3MOTORSPORTS
When I bought mine from GM it was labeled Electronic Body Control Module "EBCM". Sooooo. now what?
It makes sense that a bad BCM would cause a no start condition.

Really, no offense, but these terms are not just "accepted" terms...rather...straight out of the service manual.

BCM - Body control module
EBCM - Electronic Brake Control Module(ABS)
PCM - Powertrain Control Module
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