Which module controls the ABS ?
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Which module controls the ABS ?
I was wondering of the 11 Modules in the C5, which one controls the ABS system ? and can I get one of them re-flashed ?
Moderator, Tech Contributor
Joined: Sep 2013
Posts: 15,191
Likes: 3,874
From: Cape Coral, Florida
Been talking to Walt and he’s still trying to figure out what’s going on with your car !!…he swapped sensor from right to left and done wiring checks…he thinks it may be a bad EBCM.
Last edited by C5 Diag; Aug 8, 2023 at 03:06 PM.
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Yeah he is doing the best he can, I think I need to send this second one out to be checked once I get the car back. I never thought a ABS light would be this complicated and expensive, but I appreciate everything he's doing !, this is just not turning out well. I bought this current EBCM from Automotive Scientific, and I'm losing faith in them by the minute, I didn't send them my core so they said without a core the 2 year warranty is no more. Even Debbie called them trying to figure out how a return core affects a warranty on their product ? and I called and I can tell, as belligerent as he was, no matter what I ask for the answer is NO ! $1574.99 Gone ! 
Last edited by killain; Aug 8, 2023 at 03:23 PM.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!
Michael S. Palmer
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!
Joe Kucinski
7 Bolt-On Upgrades From Extreme Online Store to Level Up Your C6 Corvette
Pouria Savadkouei
How Likely Are These Five 2027 Corvette Rumors to Be True?
Brett Foote
9 Best Corvettes You Can Buy for Half Price (& 1 You Should NEVER Buy!)
Joe Kucinski
8 Very Best Corvettes of Amelia Island 2026
Joe Kucinski
Top 10 WORST Corvette Engineering Failures of All Time!
Joe Kucinski
10 Records the C8 Corvette Generation Has SMASHED (& 1 Glaring Failure)
Joe Kucinski
7 Wildest Corvette Concepts Ever Made
Brett Foote
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Yeah this is a "Problem Sinkhole" with the C5. Even if it is working now, in a week or a year it could go out on you and your back in this problem sinkhole again. I'm invested so much now, I'm going to pull mine and send it APSFixer.com and for the price, find out if mine is good or bad ! I just don't like having give up on the Traction Control and the active handling. My car only has 10K miles on it.
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Well he did a tremendous job and reconfigured it so the left side was the only side plugged into the EBCM, so it's not the wiring. And it went right back to the C1233 RF speed sensor, so the EBCM I bought is junk, I got it from Automotive Scientific, but their not going to honor the 2 year warranty I bought as well in April from them and even Debbie tried to figure out why a missing core, deletes a warranty on their own EBCM ? A core is not what I bought from them, She and I am confused, but . . . . So now I need to figure out where the hell I can get a 2003 EBCM. I don't think I can even use the current one installed on the car as it itself has been opened and worked on. Most of these Module Repair companies won't work on anything that has been bought from any other company, so I'm kind of lost here looking for a good unit. If anyone has any suggestions I'm all ears.
2nd Gear
Joined: Aug 2023
Posts: 2
Likes: 0
C5 EBCM search
I have a similar situation. ABS fixer just returned my ebcm stating it was irreparable. I’m working on finding a replacement part and would appreciate any feedback on your progress in locating one, thx.
.
Joined: Apr 2013
Posts: 4,997
Likes: 1,133
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
ABSfixor does not deserve all the praise they get here on the forum. Sure they can fix a 1214 code but, so can everybody else. I had a 1243 code and ABSfuxor wouldn't touch it so I checked around on ebay and found someone that could. Moral of the story don't believe everything you read here, do your own research... 
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Another electrical question. . . .
I can't find in my owners manual of the poor substitution I have for a 2003 Service manual, what fuse or circuit powers the 'visor lights' Both sides of mine are unlit ? 
Instructor
Joined: Feb 2000
Posts: 193
Likes: 4
From: Houston TX
G7 Computers ??? EBCM Fixed Repair cost of $225 and good reviews on this forum. I am having C1243 intermittent problems but I kind of remember that pre-2000 EBCM modules were a bigger problem than post-2000.
Thread Starter
Race Director
Joined: Aug 1999
Posts: 11,102
Likes: 662
From: SE Pennsylvania
St. Jude Donor '03 thru '26
Oldtimer
Replacement EBCM