ABS kicks in when braking over bumps at slow speed?
11-07-2014 | 10:14 AM
#1
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Joined: Jun 2012
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ABS kicks in when braking over bumps at slow speed?
Sometimes my ABS kicks in when I'm going over bumps at slow speeds, lets say, like in a parking lot and going over a bump.
When it happens the brakes feel like they aren't braking at all.
Is this normal for the TL?
Winter is approaching and this will be my first time driving in the snow with it and it kind of has me worried.
Every other car I have owned has never had the abs kick in when going over bumps when applying the brake.
Thoughts?
When it happens the brakes feel like they aren't braking at all.
Is this normal for the TL?
Winter is approaching and this will be my first time driving in the snow with it and it kind of has me worried.
Every other car I have owned has never had the abs kick in when going over bumps when applying the brake.
Thoughts?
11-07-2014 | 10:22 AM
#3
Yeah its normal. If there's traction loss ABS kicks in. The key is to brake without ABS kicking in during the winter. If ABS is on that means you're too hard on the brakes. Reduce braking pressure slightly and use engine braking to build traction back.
11-07-2014 | 10:25 AM
#4
if your tires are bald especially in the winter, ABS will likely to kick in a lot.
replace worn rubber with new ones.
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d1sturb3d119 (11-07-2014)
11-07-2014 | 10:51 AM
#7
cant be this variable.
because; he's in a parking lot at slow speeds, braking trying to scrub off even more speed, and when he comes across cobblestone, ABS kicks in.
the different surfaces create traction issues.
change tires!
because; he's in a parking lot at slow speeds, braking trying to scrub off even more speed, and when he comes across cobblestone, ABS kicks in.
the different surfaces create traction issues.
change tires!
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11-07-2014 | 10:55 AM
#8
Instructor
Joined: May 2014
Posts: 107
Likes: 31
From: Northeast Ohio
Mine will do this on shitty city streets if I catch a red light and have to brake. I definitely don't lose traction in the sense of locking up the brakes or because the tires suck or because I'm going too fast. The ABS just seems to work fast enough to catch that small moment when the tires dip down in the crack and aren't touching the pavement. If I had to put a number on the braking force that it takes for the ABS to kick on over a crack, it is probably 50% of the cars normal limit if it was on smooth pavement.
Edit: I should also add that the the ABS will continue to operate for a second or two after crossing over the crack, even though by that point there is definitely no lack of traction. My parents TL does the same thing. I haven't noticed the ABS kicking on over small cracks like that in any other vehicle I have driven.
Edit: I should also add that the the ABS will continue to operate for a second or two after crossing over the crack, even though by that point there is definitely no lack of traction. My parents TL does the same thing. I haven't noticed the ABS kicking on over small cracks like that in any other vehicle I have driven.
Last edited by SgtSir440; 11-07-2014 at 11:01 AM.
11-08-2014 | 01:38 AM
#11
Instructor
Joined: Jan 2008
Posts: 103
Likes: 7
From: Philly
I've noticed the same issue ever since I got my TL in '08. I've learned to let up on the brake if I'm going over even the smallest of bumps. I guess the brake system is just extra sensitive in this model car.
11-08-2014 | 05:46 AM
#13
Racer
Joined: Sep 2014
Posts: 413
Likes: 62
From: Montreal, Qc, Canada
Can confirm what others are saying. The moment one tire dips or "jumps" the TL has a habit of engaging abs for a fraction of a second. It seems to go away after less than a second for me even with the biggest holes though.
11-08-2014 | 07:02 AM
#14
I went from Eagle GT's to a summer tire and ABS doesnt kick in when I go over cobble stone any more.
11-08-2014 | 07:10 AM
#15
Furthermore;
the definition above does not describe what we're feeling in a slow parking lot, coming to a stop and encountering a different type of surface....
IT'S VSA that we are feeling.
So, from the definition of VSA, traction is lost slightly....due to a change in surface.
Originally Posted by HondaNews.com
Standard on the TL is a four-channel Anti-lock Braking System, which works in conjunction with the VSA system. Utilizing speed sensors located at each wheel the system modulates braking power to the front wheels independently and to the rear wheels in tandem-enhancing driver control during maximum-effort stops.
IT'S VSA that we are feeling.
Originally Posted by Hondanews.com
The TL is equipped with 4-channel VSA that helps the driver retain control of the car in the event the vehicle reaches its dynamic traction limits, for example through aggressive cornering, encountering ice or dirt on the road, or entering a decreasing-radius corner too fast.
In the event of understeer (where the front tires lose grip), the system applies the inside front and rear brakes to increase yaw (vehicle "rotation"), slowing the vehicle and enabling it to complete the turn. Engine torque may also be reduced by coordination of the Drive-by-Wire Throttle System and Engine Controller.
The 4-channel system controls all four brakes independently. In the event of oversteer (where the rear tires lose grip), the system applies the outside front and rear brakes to decrease yaw, slowing the vehicle and enabling it to stay on its intended path.
An indicator light on the instrument panel alerts the driver whenever the VSA system is actively enhancing the vehicle's stability.
The traction control component of VSA uses sensors that monitor each of the wheels and a computer-controlled modulation of engine power and front brakes to help prevent wheel spin when starting out or accelerating. If the sensors detect wheel spin, traction control reduces engine power and applies brake force to the affected wheels. This helps the TL maintain traction during acceleration and helps the driver retain steering control, even when accelerating on slippery surfaces.
A cockpit switch is provided to disable the vehicle stability and traction control aspects of the system while leaving the ABS system fully functional.
In the event of understeer (where the front tires lose grip), the system applies the inside front and rear brakes to increase yaw (vehicle "rotation"), slowing the vehicle and enabling it to complete the turn. Engine torque may also be reduced by coordination of the Drive-by-Wire Throttle System and Engine Controller.
The 4-channel system controls all four brakes independently. In the event of oversteer (where the rear tires lose grip), the system applies the outside front and rear brakes to decrease yaw, slowing the vehicle and enabling it to stay on its intended path.
An indicator light on the instrument panel alerts the driver whenever the VSA system is actively enhancing the vehicle's stability.
The traction control component of VSA uses sensors that monitor each of the wheels and a computer-controlled modulation of engine power and front brakes to help prevent wheel spin when starting out or accelerating. If the sensors detect wheel spin, traction control reduces engine power and applies brake force to the affected wheels. This helps the TL maintain traction during acceleration and helps the driver retain steering control, even when accelerating on slippery surfaces.
A cockpit switch is provided to disable the vehicle stability and traction control aspects of the system while leaving the ABS system fully functional.
So, from the definition of VSA, traction is lost slightly....due to a change in surface.
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SgtSir440 (11-09-2014)
11-17-2014 | 01:17 PM
#17
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Joined: Jun 2012
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The tires are Yokohama Avid somethings and they are completely garbage in the snow as tested this weekend (Wisconsin). They seem to be pretty good in the summer, tread life is also not so good. Should of bought the Continental DWS extreme contacts.
Unfortunately, I'm not in the position to buy new all season tires or winter tires. I guess I'll just have to deal with it or drive my Jeep if it snows out.
Unfortunately, I'm not in the position to buy new all season tires or winter tires. I guess I'll just have to deal with it or drive my Jeep if it snows out.
11-17-2014 | 01:41 PM
#18
Stay Out Of the Left Lane
Joined: Oct 2003
Posts: 9,017
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From: SE Mass --- > Central VA --- > SE Mass
You mentioned the Yokohamas are practically brand new. Are you still under or within a 30 or 45 day "test drive" from whatever dealer you got them from?
Also you might want to check your local CL and see what is out there for snow tires. You would be surprised as to how much tires or even tires and rims go for.
If they are that bad in the snow, if it were me, I would be looking at replacing them regardless of whether I was in a position to buy new ones. My own personal and/or passenger safety, not to mention my car, trumps my wallet. But at the same time you apparently have a Jeep at your disposal, so that is in your favor.
Here is an example on CL in WI - 17 inch Blizzak tires
Also you might want to check your local CL and see what is out there for snow tires. You would be surprised as to how much tires or even tires and rims go for.
If they are that bad in the snow, if it were me, I would be looking at replacing them regardless of whether I was in a position to buy new ones. My own personal and/or passenger safety, not to mention my car, trumps my wallet. But at the same time you apparently have a Jeep at your disposal, so that is in your favor.
Here is an example on CL in WI - 17 inch Blizzak tires
11-18-2014 | 01:01 PM
#19
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Joined: Jul 2013
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I too find this extremely annoying. It's less frequent when I have good tires on, but regardless I've always thought the abs was a little touchy on my 05 TL. I owned an 05 accord before this, same frame, but an LX, so no VSA. The ABS on that car I thought functioned better than my TL's, and also was MUCH less intrusive.
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