2000 c5 traction control
Le Mans Master
Joined: Dec 2017
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From: Virginia
2021 C5 of the Year Finalist - Modified
St. Jude Donor '21-'22
I'm a bit confused by the wording of your post. What do you mean by "By my right turn signal button no longer works"? There are a number of reasons that your traction control light could be coming on., or are you saying that the light no longer comes on? If the light no longer functions, the bulb is likely burned out
If you're having the light turn on, there's typically corresponding information on the DIC. When it turns on, can you feel the traction control engage for a moment?
Possible answers could be...
1 You're accidentally hitting the active handling button located near the parking brake.
2 You have a failing wheel position sensor.
3 Your EBCM is going bad.
Have you pulled the codes on the car? This may give you some additional information.
If you're having the light turn on, there's typically corresponding information on the DIC. When it turns on, can you feel the traction control engage for a moment?
Possible answers could be...
1 You're accidentally hitting the active handling button located near the parking brake.
2 You have a failing wheel position sensor.
3 Your EBCM is going bad.
Have you pulled the codes on the car? This may give you some additional information.
Le Mans Master
Joined: Dec 2017
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From: Virginia
2021 C5 of the Year Finalist - Modified
St. Jude Donor '21-'22
That's actually a new one for me. My best guess would be the turn signal relay. I'm not at all certain, but it's where I would start. Unfortunately, getting to it is a PITA. You could check the fuses first. That would be a lot easier. Sorry I couldn't be more help. Perhaps someone else will know better.
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Moved to C5 Tech for help.
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I would have to study the wire diagram, but it sounds like the right turn signal is completing it's circuit through the TC light. I can't imagine the two are connected in the DIC cluster with anything other than a common ground point. That would indicate you have a poor ground path on the right turn signal indicator. Does the right turn signal function properly and light the outside bulbs properly? Does the hazard switch function properly and do all bulbs light as designed?
...and yes, that's a new one for me also.
...and yes, that's a new one for me also.