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

sys flashes?

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Old Aug 13, 2003 | 08:55 PM
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From: sussex nj
Default sys flashes?

on my display today i noticed where the coolent temp says 201 (whatever) it was flashing sys every few minutes i changed it from coolent temp to something else i put it on instant fuel and again every few minutes it would flash sys WTF?
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Old Aug 13, 2003 | 11:49 PM
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From: sussex nj
Default Re: sys flashes? (fiberglasscoffin)

nobody nos???
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Old Aug 14, 2003 | 12:04 AM
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From: sussex nj
Default Re: sys flashes? (Oldman)

i will check for any codes tomorrow with a scan tool i thought that somebody would no i cant beleave im the first to see this
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Old Aug 14, 2003 | 12:10 AM
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Default Re: sys flashes? (fiberglasscoffin)

I am having trouble with this right now. Check out my post, Serious battery issues? From my research it usually means your battery is on it's last leg. But I tested mine and it works fine. I'd stop by an atuozone and get your battery tested.

Are you having any other problems?
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Old Aug 14, 2003 | 12:19 AM
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Default Re: sys flashes? (kman0066)

Two cases that it happened to me:

1.) weak battery
2.) blown fuse

I'm sure there are other reasons, but those are two I've encountered.
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Old Aug 14, 2003 | 01:53 AM
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Default Re: sys flashes? (fiberglasscoffin)

:iagree:
Also check the connections to the computer, and make sure the prom is seated! I had the same thing, and it was intermittent. Well as I was going through everything, the previous owner forgot to close the endsnaps on the memcal! Everytime I hit a bump or something it would happen until finally it was making no connection at all!
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Old Aug 14, 2003 | 06:52 AM
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Default Re: sys flashes? (fiberglasscoffin)

my battery was dead the other day i had to jump the car hopefully that is it i will check the battery today thanx for all the help
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Old Aug 14, 2003 | 10:14 PM
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From: Kent Wa
Default Re: sys flashes? (fiberglasscoffin)

mine flashed right before the battery died. Once it was replaced I have not seen it since.

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Old Aug 14, 2003 | 11:16 PM
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Default Re: sys flashes? (YellowVetteMan)

mine flashed right before the battery died. Once it was replaced I have not seen it since.
:iagree: I also had the ABS/ASR light come on after the new battery was installed but no codes were set.
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Old Aug 14, 2003 | 11:24 PM
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Default Re: sys flashes? (Tony.96LT4)

In addition to what Frank said about dying battery and blown fuses, SYS also pops up if you install an aftermarket stereo.

Are your courtesy lights working okay?
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