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2005 Corvette Error messages...

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Old Jan 7, 2021 | 12:42 AM
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Default 2005 Corvette Error messages...

Good day everyone. I just bought a 2005 Vette with 50,000 miles. It was a one owner and seems to have been well taken care of. However, i discovered loose battery harness cables and was getting a number of error messages like: "Shocks inoperative", "ABS brake system not workiing", Low Fuel, and a number of other things. The engine light came on as well. I had the battery checked and it was bad so I replaced it, and we tightened up the cables. It seemed to work then a couple days later it happened again but this time it also seemed to affect the way the car was running, almost like some of the cylinders were not firing. If I turn it off, it will not start for a little while, then all of a sudden it will start again. When it resolves, everything works fine, it runs well, and all messages go away but then a day or two later it all happens again. Any advice??? I live in Myrtle Beach, SC so if anyone knows of a good person to work on it here, I am all ears. I love the car and think this is probably simple if we can just track down the problem. Thanks in advance for any help.
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Old Jan 7, 2021 | 10:33 AM
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Old Jan 7, 2021 | 12:57 PM
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Like most things with the C6 when you have multiple electrical problems it seems to be usually due to a bad battery (which you replaced), loose connections, or bad grounds. I'd proceed on to step two check the connectors (on the BCM in particular) and the grounds.

PS: I own a 05 Z51 Mn6 and you have purchased an awesome car. Welcome to the forum.
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Old Jan 7, 2021 | 03:51 PM
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As Dutch08 noted, check all the grounds & also the connectors to the ECM & BCM. Also, there should be cone shaped washers under the nuts on the battery terminal connectors. Over time, these seem to get lost & without them you may not get sufficiently tight connections at the terminals.
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Old Jan 8, 2021 | 11:25 PM
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I have an '06 with 48k miles on it. They are great cars, but electrical problems can piggyback on each other. I suggest putting a code reader on it. The codes will tell the story.

Good luck.

Last edited by Trebor; Jan 8, 2021 at 11:26 PM.
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