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C5 2000
Le Mans Master
Joined: Jul 2010
Posts: 6,021
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Joined: Apr 2013
Posts: 5,044
Likes: 1,158
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
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Joined: Apr 2013
Posts: 5,044
Likes: 1,158
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
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Race Director
Joined: Oct 2004
Posts: 12,864
Likes: 4,669
Do you ever see "Active Handling Warming Up"? Just asking, because the steering sensor can cause a "Service Traction Control" and "Service Active Handling". Don't mean to confuse you, because you're getting a "Service ABS System" code, which isn't exactly the same. I have a 2000 Vert. If your EBCM is trash, there's a sticky on how to upgrade to an '01-'04 EBCM, which are still available new (last I knew!). The EBCM for our cars ('97-'00) is no longer available new. They're available only in salvage yards, used. They are also usually at least $1,000.00!!! So, as posted above, the 1255 code is a bad thing. But it could also be a connection/wiring issue, so before you trash it, make sure you check out everything!!
Race Director
Joined: Oct 2004
Posts: 12,864
Likes: 4,669
Yup, the ABS code is the most important one, for sure. You can probably clear the DIC after a few miles, but the yellow ABS and skidding Corvette lights will still be on. Sorry to hear about the 1255. I have a 2000, and it's kinda scary thinking about that 1255 code!! As much of a PITA as this code is, not to mention the price, and risk, of buying a used one, maybe we '97-'00 owners should start holding funeral services for our EBCMs!!! 
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Joined: Apr 2013
Posts: 5,044
Likes: 1,158
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
All the U codes are communication problems in the Serial Data Line and seem to be confined to the Left and Right door control modules
I would check you grounds https://www.corvetteforum.com/forums...tml?forum_id=1
and the connections in the accordion tube
I would check you grounds https://www.corvetteforum.com/forums...tml?forum_id=1
and the connections in the accordion tube
Last edited by Smoken1; Jul 31, 2021 at 05:20 PM.