traction control warming up
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
Providing it goes out reasonably quickly its not a problem. It does a self check that takes about a minute or so. If it stays on thats different.
Its mentioned in the owners manual.
Its mentioned in the owners manual.
Thread Starter
Instructor
Joined: Aug 2006
Posts: 205
Likes: 1
From: Wichita KS
I dont know how long it was going to stay on, because I cleared it out. The traction symbol light went out the next time I started the vehicle, but the check engine light is still on.
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
Originally Posted by white_lightening
anyone else have any thoughts??
The Active Handling System light will come on briefly
as you start the engine. If the light does not come on
then, have it fixed so it will be ready to warn you if
there is a problem. The light will also come on while the
system warms up and the ACT HNDLING WARMING
UP message will be displayed in the Driver Information
Center (DIC). If the light stays on or comes on while you are
driving, a chime sounds and a SERVICE ACTIVE
HNDLG message appears on the DIC, there is a
problem with your Active Handling System and your
vehicle needs service.
Drifting
Joined: May 2000
Posts: 1,917
Likes: 3
From: Southern NH
There were some recent posts on this with more info.
The Check Engine light will go off after a certain number of start cycles without the problem being reported.
Also, check you DIC Codes - there should be at least one stored if the Check Engine light is on. Report back what it is. That will help pinpoint why the AH reported the error. After you get the codes, you should be able to clear the Check Engine light by clearing the codes.
The Check Engine light will go off after a certain number of start cycles without the problem being reported.
Also, check you DIC Codes - there should be at least one stored if the Check Engine light is on. Report back what it is. That will help pinpoint why the AH reported the error. After you get the codes, you should be able to clear the Check Engine light by clearing the codes.
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
Now that you added the fact that the check engine light comes on as well thats different.
An AH Caption in isolation is normal. A check engine light can mean a lot different. The DIC codes will tie down the additional problem.
An AH Caption in isolation is normal. A check engine light can mean a lot different. The DIC codes will tie down the additional problem.
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Instructor
Joined: Aug 2004
Posts: 218
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From: Dallas Texas
This has happened to me a couple times on my 2004. Maybe three at the most. I didn't know why it was actived. I thought I hit the button on the console that activated it. Each tme I simply hit the reset button on the instrument panel where the trip, gagees, E/M buttons are located and it went off.
Does this only control the rear or does it control the front as well? The reason I ask is I just replaced my front tires at 14,500 miles and the front left was worn pretty bad. Maybe I missed a warning sign?
Does this only control the rear or does it control the front as well? The reason I ask is I just replaced my front tires at 14,500 miles and the front left was worn pretty bad. Maybe I missed a warning sign?
Tech Contributor
Joined: Oct 1999
Posts: 41,058
Likes: 9,820
From: Charlotte, NC (formerly Endicott, NY)
Originally Posted by vettesrm
This has happened to me a couple times on my 2004. Maybe three at the most. I didn't know why it was actived. I thought I hit the button on the console that activated it. Each tme I simply hit the reset button on the instrument panel where the trip, gagees, E/M buttons are located and it went off.
Does this only control the rear or does it control the front as well? The reason I ask is I just replaced my front tires at 14,500 miles and the front left was worn pretty bad. Maybe I missed a warning sign?
Does this only control the rear or does it control the front as well? The reason I ask is I just replaced my front tires at 14,500 miles and the front left was worn pretty bad. Maybe I missed a warning sign?
The traction control portion of the system applies the brakes to the spinning wheel in low speed sequences and then reduces power if that doesn't stop the wheel spin. At higher speeds the system reduces power because power reduction reacts quicker than the brakes can.
Bill
Last edited by Bill Dearborn; Aug 8, 2006 at 11:42 PM.
Instructor
Joined: Aug 2004
Posts: 218
Likes: 0
From: Dallas Texas
Originally Posted by Bill Dearborn
Active handling controls the brakes on all 4 wheels. Understeer is corrected by braking one of the rear wheels while oversteer is corrected by braking one of the front wheels. If the system is warming up it is inactive. When the car is started the system has to figure out what is going on so it needs to check the steering wheel position, the wheel speed sensors, yaw rate sensor, etc. When these checks are done and the system knows what position the steering wheel has to be in while driving in a straight line the system is warmed up and goes active. Turning the steering wheel back and forth while driving away from a start engine operation will cause the system to flash the Warming Up message since it couldn't figure out where straight ahead was located.
The traction control portion of the system applies the brakes to the spinning wheel in low speed sequences and then reduces power if that doesn't stop the wheel spin. At higher speeds the system reduces power because power reduction reacts quicker than the brakes can.
Bill
The traction control portion of the system applies the brakes to the spinning wheel in low speed sequences and then reduces power if that doesn't stop the wheel spin. At higher speeds the system reduces power because power reduction reacts quicker than the brakes can.
Bill
