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"Service Traction Control" light on!

Old 12-17-2011, 10:01 AM
  #1  
gfroman
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Default "Service Traction Control" light on!

I have a 2008 Z06 and have had ZERO problems with it.

Lately I have been getting the "Service Traction Control" light that keeps coming on!
I do not notice anything wrong while driving.
Disconnected the battery a few times to re-set but still show up after a while.
Checked brake fluid, tires, etc.

Is this something I have to take to the dreaded Dealer to check out or is this a common "gremlin"?
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Old 12-17-2011, 10:51 AM
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Takingabreak
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Your problem and mine could be totally different, but I had similar warning lights on my 2010 GS. It did require a couple of trips to the dealer to finally get it fixed. The problem with mine was some type of sensor in the accelerator pedal. They replaced the pedal and no more warning lights for the last several months.
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Old 12-17-2011, 11:19 AM
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Since we have no way of pulling the codes from the other systems, except the PCM/ECU, the only way to know is someone or dealer who has a Tech2. On the C-5's, the cause is usually one of the wheel speed sensors or steering wheel position sensor. Next question is, is the steering wheel straight when driving down the road? If not, this too will generate an error.
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Old 12-19-2011, 11:36 AM
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Chevy Cust Svc
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gfroman,
This could caused by several different types of issues. I'd recommend taking it to your dealer and having them run a diagnostic on it. Let me know if you'd like assistance setting up an appointment.

Chevrolet Customer Service,
Justin
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Old 12-19-2011, 11:51 AM
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mine had the steering wheel sensor replaced!
C6 coupe....
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Old 12-19-2011, 05:17 PM
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Got the "service active handling" and "speed restricted to 168 mph" codes last August. First trip to the dealer had a repeat of thservice active handling, but the second message was"speed restricted to 80 mph."

Turned out to be a "loose pin on the high-speed LAN." Isn't that an interesting diagnostic for a car, even in this day and age. Seems to be fixed though, after three trips to the service department.

SeaFiveSix
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Old 03-29-2017, 12:41 PM
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Default Steering Wheel Sensor

Originally Posted by mas8002mi View Post
mine had the steering wheel sensor replaced!
C6 coupe....
How much did that cost you .... if I may ask? Thanks.
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Old 03-29-2017, 03:45 PM
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obone
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8 years and several $1000's spent in the evaluation they settled on 4 connections that needed to be replaced.
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Old 12-02-2017, 05:03 AM
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Originally Posted by obone View Post
8 years and several $1000's spent in the evaluation they settled on 4 connections that needed to be replaced.
Just about to go through that process now.....(2010 GS Callaway SC606). Engine light came on about 7 weeks ago, then the traction control light and service message. Then a nice trail of blue smoke in the mirror. Had her towed back to my place. Started her the next day....some not very nice noises coming from some where up front. Had my mechanic come in...noise ended up being a failed cat converter (some nice bling coming out the exhaust as well). Took four weeks to get those in from the States. Seems oil plume may have been a sump plug nudged by something on the same trip. Gotta love coincidences.....! Have both of those fixed now but traction control and engine lights still coming on. Engine light error is from a misfire, so thanks to you guys and gals on this forum will go and check leads tomorrow and see what happens! Cheers Zed
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Old 12-02-2017, 11:25 AM
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Not one of the answers you are going to get here is going to be exactly what your problem is. I think the STC is a default message for "something is wrong". Definitely need a tech2. My light comes on as soon as I push the AC button. Tech2 says centering error and right side wheel speed sensor. Nothing to do with AC.
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Old 12-02-2017, 03:04 PM
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I had same issue,took it to dealer and they told me it could require up to 5 hrs of service time to diagnos, basically $500. That's extreme to just get a code!
Originally Posted by Chevy Cust Svc View Post
gfroman,
This could caused by several different types of issues. I'd recommend taking it to your dealer and having them run a diagnostic on it. Let me know if you'd like assistance setting up an appointment.

Chevrolet Customer Service,
Justin
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Old 12-02-2017, 03:17 PM
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TC light on my '11 GS was caused by bad speed sensor on the right front.
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Old 12-03-2017, 01:26 AM
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The "common" causes are, weak battery, loose plug wire, blue bus connection under passenger side compartment, tpms, bcm, ebcm. Codes will of course help.
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Old 12-03-2017, 02:21 PM
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GRCTampa
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Traction Control and Service Active Handling System warnings came on Friday evening as I was backing into a parking space. Engine was running noticeably rough. Checked the engine codes Saturday, misfire on cylinder 6. Easy fix as plug wire had come loose. A $40 investment for an OBDII scanner is money well spent.
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Old 12-03-2017, 05:44 PM
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ByRiver
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Originally Posted by GRCTampa View Post
Traction Control and Service Active Handling System warnings came on Friday evening as I was backing into a parking space. Engine was running noticeably rough. Checked the engine codes Saturday, misfire on cylinder 6. Easy fix as plug wire had come loose. A $40 investment for an OBDII scanner is money well spent.
Had the same exact problem. Mine was #6 too.
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Old 12-03-2017, 08:29 PM
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acrace
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Same issue as the previous two posts, although mine was a cylinder #7 misfire and the “Service Traction Control” and “Service Active Handling” messages. Mine turned out to be a weak battery. I swapped coils and plug wires between #5 and #7 with no effect and the plug for #7 was a little fouled. Had to also put a fresh plug in, as well as a new battery.
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Old 10-23-2018, 07:15 PM
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Originally Posted by GRCTampa View Post
Traction Control and Service Active Handling System warnings came on Friday evening as I was backing into a parking space. Engine was running noticeably rough. Checked the engine codes Saturday, misfire on cylinder 6. Easy fix as plug wire had come loose. A $40 investment for an OBDII scanner is money well spent.
OMG You saved me at least some money and a lot of hassle, possibly a LOT of money. I had the exact same thing as you; I went out after reading your post and sure enough the #3 plug wire had just fallen off at the top! Cured the TC issue, and after D/C the battery and cleaning the post, Check Engine went away ! Thank you, thank you.
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