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Traction Active System on Dry Pavement - 2004 Chevrolet Tahoe

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Posted on Jan 02, 2017

GM Elec
  • 1000 Answers

SOURCE: Traction Control comes on

I would recommend you have the vehicle scanned for trouble codes. You can get this done at no charge at your local Auto Zone or Advance Auto Parts store.
Record the code numbers and reply back to this message and we can go from there.
Based on your description, I would guess you may have a HWSS ( hand wheel speed sensor) issue or possibly an ABS wheel speed sensor problem, again, this is only a guess until you have the codes read.
Let me know.
Regards,

Posted on Apr 16, 2009

  • 400 Answers

SOURCE: My 2004 chevy tahoe w/60,000

Need to find out what code is in the chassie system. Sounds to me like one of the wheel speed sensors is not reading right and the truck things you are sliding. BUT before you put any parts on it, find out what code is in it and report back.

Posted on Oct 16, 2009

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Posted on Jan 19, 2010

reisdos
  • 1297 Answers

SOURCE: why does my traction active & service traction

most likely a bad wheel speed sensor

have a technician drive it with a scan tool and monitor all VSS

I suspect one if off
You can also confirm this buy trying to lock up the brakes in a safe location

if ABS activates early/late or not at all this too is a sign of a VSS concern

Posted on May 13, 2010

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1 Answer

Traction control comes on unexpectedly while turning left?


Same as ALL vehicle problems,same routine
every time, with ANY car issues

Check for Codes,Diagnose the System
that set the codes,Component test to find
a problem

Wouldn't be using it until fixed

Aug 11, 2014 | Cars & Trucks

1 Answer

Why does my 4 wheel drive not work all the time?


Elaine,

not work, do tell what makes you think it dont work (a lamp) or tires slipping or dead tires. (by tires mean that and traction)??????????

what mode fails, of the many, and where.???????



first off, we dont know what your tires are touching.

on road, or off road. pavement or ICE or snow.

that matters big time . (you read manual and match MODE to Road)

your lost operators guide explains all that, right?

eg: how and when to use, 4wd, its all there. I promise.

ControlTrac 4-wheel-drive system



here are the mode. which one , gives you problems.



quote ford with comments.



What are the modes, and how do they differ?

(note this is the operational behavior of a 2008 Ford Expedition. Newer and older Expeditions will vary only slightly)



2H 2-wheel-drive with high range gearing (1.00:1) Rear-wheel-drive capability,

2-wheel electronic traction control system is enabled



4A 4-wheel-drive Auto with high range gearing (1.00:1) Full-time all-wheel-drive capability, ((best on pavement or any time)

Electronically adjusted torque split to front & rear wheels, Electronically variable center differential,

Front driveshaft & rear primary driveshaft allowed rotational speed difference,

4-wheel electronic traction control system is enabled



4H 4-wheel-drive with high range gearing (1.00:1) Part-time 4-wheel-drive capability, (not for dry pavement EVER)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled



4L 4-wheel-drive with low range gearing (2.64:1) Part-time 4-wheel-drive capability, (off road usage, mostly)

Continuous 50/50 torque split to front & rear wheels, Electronically locked center differential,

Front driveshaft & rear primary driveshaft mechanically locked with no rotational speed difference,

4-wheel electronic traction control system is enabled, ESC and RSC are disabled



In 4A mode the center differential is electronically-controlled and rear drive wheel bias. The on-board computer monitors for any sign of rear drive wheel slip (loss of traction)

If loss of traction is detected, the center differential is told to send a share of the engine\'s torque to the front drive wheels. It will not let the front driveshaft turn at the same speed as the rear driveshaft.



What about traction management?

1997-2002 model Ford Expeditions offered an optional limited-slip rear differential (LSD). A conventional open rear differential was standard along with the conventional open front differential and the electronic locking center differential.

comment with out LSD, one tire can spin, on say ice.

but the other 3 tires dont, in full time.

Jul 04, 2014 | 2003 Ford Expedition

1 Answer

Traction control light flashes


mine does it any time i drive funny, drive on gravel or ?
it's normal
what is not normal, is if it stays on.
what does jeep pulls at 50 mean.??????????????
are what is pulling,???????????
do you mean the car pulls to the left or right ? steering wheel steady/.?
brakes pull? while braking, or brakes pull full time?
if the lamp is on , on flat hard dry pavement, the car needs service.
the operators guide tells you all this, read the pages?. on traction controls.???? do so, read the whole thing.

the lamp can mean:
1: car was out of control and i made corrections.
2: system failure.

connect a scan tool see if there are DTCs on the system.s


Mar 04, 2014 | 2010 Jeep Patriot 2.4

1 Answer

Abs and trac active dash lights are on


If they are coming on momentarily when you are driving in slick conditions this is normal operation. If they are staying on all the time, even when you are driving on dry pavement. there is a broblem with your Antilock Brake and Traction Control system. A very common problem is a wheel speed sensor that is malfunctioning. Your vehicle is equipped with 4 wheel speed sensors. You will have to access the data in the Antilock Brake Control Module to find out which one it is.

Dec 22, 2010 | 2005 Ford Freestar

4 Answers

What does the TCS Off button do?


TCS stands for Traction Control System.
The traction control system works in conjunction with your Antilock Brake System (ABS) and your Engine Control Module (ECM) or Powertrain Control Module (PCM) or Electronic Control Unit (ECU) (Note that ECM, ECU, and PCM all mean the computer that controls your engine, depending on make.)

Anyway, the traction control system can apply one or more of the brakes and control engine RPM in the event that a wheel slip has been detected by the traction control system.

Pushing the TCS button on most models will light a lamp in the instrument cluster that usually says "Trac Off" Pressing it a second time will turn this light back off.

When the "Trac Off" light is illuminated, the Traction Control System is disabled and will not work in the event of a wheel slip.

Also note that when the Traction Control System is working and a wheel slip is detected, The Traction Control Module will usually illuminate a light that says "Trac" as it is taking control of your brakes and engine. It can feel really strange when this occurs and some people think that their transmission is slipping or that their engine has a misfire problem.
The chances are that if it occurred on wet, slippery pavement, the Traction Control System may have just saved your life.

If this is happening on dry pavement and normal driving conditions (starting, stopping, or turning), there may be a problem with the system. "False Traction Control" can happen just like a bad wheel sensor causing "False Antilock Mode".

Also check your Owners Manual for more specific information pertaining to your particular vehicle.

Oct 18, 2009 | 2004 Honda Accord

1 Answer

My 2004 chevy tahoe w/60,000 miles has started to have the traction active kick in, even on dry pavement. Starting to happen all the time.


Need to find out what code is in the chassie system. Sounds to me like one of the wheel speed sensors is not reading right and the truck things you are sliding. BUT before you put any parts on it, find out what code is in it and report back.

Oct 15, 2009 | 2004 Chevrolet Tahoe

1 Answer

My traction control light comes on all by itself on dry pavement and then my digital speedometer goes crazy from 35 mph to 150 mph and everything inbetween. it will do this for miles and then straighten...


I'm begining to think the problem is related to erroneous speedometer input data, ( could even be a trans speed sensor, or the speedo itself ) which falsely makes the TRACTION CONTOL SYSTEM think the drive wheels are actually SPINNING, and losing traction, causing the light to appear. Hopes this helps

Apr 04, 2009 | 2002 Cadillac Deville

1 Answer

TRACTION CONTROL.


that is what it is desgined to do - reduce acceleration and apply the brakes intermittently when the wheels spin. You have a switch you cn push to disable it. You need to disable each time you start car. See owner manual.

06-10: Traction Control 1996 Contour, Mystique Workshop Manual
DESCRIPTION AND OPERATION Traction Control System The optional traction control system is designed to control wheel spin when accelerating on slippery or loose surfaces. Traction control system is available only with anti-lock brakes. The traction control system includes the following components:
  • Hydraulic control unit.
  • Throttle control actuator (9N825).
  • Traction control switch.
  • Traction control warning indicator.
  • Front brake anti-lock sensor (2C204).
  • Rear brake anti-lock sensor (2C190).
The traction control system operates as follows:
  • System functions by transferring torque from the spinning wheel to the wheel with the most traction.
  • This is achieved by applying the brake at the spinning wheel through the hydraulic control unit or reducing the throttle opening.
  • Traction control braking and throttle control occur at vehicle speeds up to 50 km/h (30 mph).
  • At vehicle speeds above 50 km/h (30 mph), only throttle limiting control is used.
  • If speed control is operating when traction control system engages the traction control system will disengage speed control through the use of a speed control relay. This action is the same as applying the brake pedal with speed control engaged.
1996 contour
Traction Control Switch The traction control switch is located on the instrument panel, left of the steering column.

Oct 22, 2008 | 1995 Ford Contour

2 Answers

Tcs light flashes


if you're flooring the car and there's wheelspin that will activate the tcs, which stands for traction control system. It cuts fuel to slow you down until you gain traction. So no burnouts on the TL. =D

Sep 17, 2008 | 1996 Acura TL Series

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