Active handling warming up???
Thread Starter
Instructor
Joined: Apr 2005
Posts: 175
Likes: 1
From: Syracuse NY
Active handling warming up???
Had this message come on the other day for a few seconds at startup. It was about 80 degrees outside, so I thought it was odd. Anything to worry about??? 
-Mr.Z-06
-Mr.Z-06
Burning Brakes
Joined: Apr 2005
Posts: 753
Likes: 1
From: Oceanside CA
Nothing to worry about. It is something to do with the TC/AH running a self test or recalibrating itself. Usually get it if you start the car up after it has sat for a wile and immideately drive off keeping the car in 1st gear for a short distance in a straight line. Maybe someone can give you a little more technical explination. 
Thread Starter
Instructor
Joined: Apr 2005
Posts: 175
Likes: 1
From: Syracuse NY
Thanks much...
It only sat for about 4 hours, but it was exactly the scenario you are talking about otherwise. Was creeping through a golf club parking lot in 1st gear. Thanks again. 
-Mr.Z-06
-Mr.Z-06
Drifting
Joined: May 2000
Posts: 1,917
Likes: 3
From: Southern NH
If I recall correctly, this is related to calibrating the several related sensors (steering position, wheel/ABS, yaw) in certain circumstances usually related to colder weather, but not necessarily. Just watch it and see if it starts happening again. It could be the BCM just got confused related the the magnasteer position based on the last time you drove and had to resync.
Drifting
Joined: Oct 2004
Posts: 1,283
Likes: 1
From: Monmouth County NJ
Mine did the same thing one day. It was in Carlisle. I had just had my Stingers installed. I was bringing it back through the crowds, and it came up on the DIC 
. It later went off and have never seen it again. The driveing slow may have done it I think.
. It later went off and have never seen it again. The driveing slow may have done it I think.
Drifting
Joined: Sep 2003
Posts: 1,471
Likes: 0
From: Prosper TX
Basic synopsis:
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
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Race Director
Joined: Feb 2004
Posts: 11,651
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From: HOW FAST WAS I GOING OFFICER? Los Angeles Hating GM Dealership Service Dept.'s Since Sept. 2004
St. Jude Donor '04-'05-'06-'07
Originally Posted by Skull One
Basic synopsis:
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
Team Owner
Joined: Feb 2003
Posts: 37,329
Likes: 12
From: Plano Texas
CI 6-7-8-9 Veteran
CI-VI Car Show Winner
St. Jude Donor '07-'08-'09-'10-'11-'12-'13
Originally Posted by Skull One
Basic synopsis:
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
To calibrate wheel speed sensors relative to each other (to sense turns, radius of turns, etc), the computer is looking for 100' of driving with the steering wheel straight within the first 30 seconds of driving. If you're driving through a parking garage/lot or autocrossing where the course turns immediately and the computer doesn't see this, you'll get the "active handling warming up" which tells you active handling is not available so drive accordingly. This is because it can't make active handling calculations without that info. Once you've driven that 100' with wheels straight, it enables active handling.
I always have to remember to drive around the staging area at our autocrosses because of this. Pain in the neck sometimes but it is well worth it till I learn the course and then run with no AH.
