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Traction control sensor - ML320 Mercedes-Benz Cars & Trucks

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Abs light came on


What it looks like: The traction control warning light typically takes the form of the acronym "TC." Sometimes this light is a small illuminated picture of a car losing control What it looks like: The traction control warning light typically takes the form of the acronym "TC." Sometimes this light is a small illuminated picture of a car losing control. How this system works: Traction control uses wheel speed sensors to detect when one or more of the car's wheels lose grip and traction. When the system registers a loss of traction in one or more of the wheels, a computer will limit power to the wheels that are still in solid contact with the road to prevent a skid. Common reasons for this to happen:
  • ABS is malfunctioning: Traction control and ABS (anti-lock braking system) often share the same control module and internal self-diagnostics system. As a result, sometimes an issue in the ABS can trigger the traction control light. If this is the case, then both the ABS and Traction Control lights will be on.
  • Broken wheel speed sensors: Wheel speed sensors are usually in the wheel bearing assembly, and determine the rate at which each wheel is moving. The sensors relay that information to the traction control module, which determines whether or not power needs to be shifted. Wheel speed sensors can get dirty or damaged and stop working, which prohibits the traction control module from knowing when to enable the system.Traction control module is faulty: The traction control module - which, again, is often shared with the ABS - can malfunction and break altogether, causing the system to stop working. What to expect: A top-rated mobile mechanic will come to your home or office to determine the source and cause of the traction control issue, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. How important is this service? It's important to have the traction control issue investigated as soon as possible, as adverse driving conditions can arise at any time. While your car is unlikely to incur further damage from a faulty traction control system, it won't be safe to drive in rain, snow, sleet, or other inclement weather, or even possibly through pools of water on the road. Furthermore, the issue that is causing the traction control light to illuminate could also be impacting the ABS.

Sep 30, 2016 | 2006 Pontiac Torrent

1 Answer

Brake fluid switch problem and traction disable lights come on. have check fluid and replaced brake fluid sensor and still have problem


It may be a wheel speed sensor at fault.
To be quite honest, you'd have to get it checked at the dealership or a workshop which has the correct scan tools.

Here's a link about traction control:
Traction Control

Traction Control Light on General Cadillac Forums

Mar 21, 2016 | 1995 Cadillac DeVille

2 Answers

ABS & Traction control light are on, what is causing this?


About 39,700,000 results (0.44 seconds) Search Results

    Traction Control Light is on Inspection - YourMechanic

    www.yourmechanic.com > Auto Repair and Maintenance Services
    As a result, sometimes an issue in the ABS can trigger the traction control light. If this is the case, then both the ABS and Traction Control lights will be on.

    My anti-lock brakes and service traction control lights came on ...

    https://answers.yahoo.com/question/index?qid...
    Oct 16, 2006 - I drive a 2000 chevy impala...i have 135,000 miles on my car. ... The problem is that starting in '92, Anti-Lock Brakes are controled electronically, so if there is a problem with the sensor, your ABS might fail when you need them the most. ...ABS (?nti-lock Brake System) is a ...

    How To Fix ABS & Traction OFF / Service Traction System ...

    ? 5:35
    https://www.youtube.com/watch?v=KFQphWamcjQ
    Feb 17, 2014 - Uploaded by Zero Gar
    How To Fix ABS & Traction OFF / Service Traction SystemLight Monte ... side connector that leads from the ABS controlmodule to the speed ...

Feb 05, 2016 | Cars & Trucks

1 Answer

Both abs and traction control icons are showing on dashboard .....Need to repair ABS and Traction control or eliminate from control panel.


abs and traction controls both use the same wheel sensors
before you do any very costly repairs check that all the sensor wires are connected
if you run the fault codes you may even get which wheel sensor has failed

Aug 21, 2015 | 2001 Pontiac Montana

1 Answer

Where are the traction control senors in a 2009 chevrolet trailblazer?


The traction control uses the ABS wheel speed sensors (1 on each wheel - usually in the wheel bearing assembly). The speed sensor is for your speedometer. Do you have an ABS light on too?

Feb 16, 2015 | 2009 Chevrolet TrailBlazer

1 Answer

Traction control and abs warning light comes on,how do I fix??


the ABS system is defective, probably one or more of the sensors.

Traction control system works with the ABS sensors to monitor to monitor traction slippage.

Jul 20, 2014 | 2001 Chevrolet Impala

1 Answer

Engine light and traction control light on 2006 chevy hhr


Traction control usually uses part of your ABS brake system to function. Sometimes a dirty (or worn out) wheel sensor is the problem that triggers both "check engine" and "traction control"...This can be verified with the proper diagnostic meter, and many shops will perform this test for free...unfortunately the free check at the auto parts stores does not include reading the ABS/Traction sensors...sensor cost is about $65. sometimes they can be cleaned. Hope this helps.

Jul 03, 2014 | 2005 Dodge Grand Caravan

1 Answer

Engine light and ABS traction control light remain


The ABS sensor is a speed sensor also for Traction Control. This is why both lights are on , One of your front ABS sensors are bad or disconnected, or has a pinched wire.

Jan 16, 2010 | 2000 Chrysler 300M

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

1 Answer

2001 olds ABS and traction control sensor issue


An ABS sensor DOES affect the traction control system. Traction control uses these sensors to determine if a wheel is losing traction. A bad sensor will cause both the ABS and TRACTION lights to come on.
The CHECK ENGINE light however is going to be a seperate problem.

Jun 08, 2008 | 1999 Mazda Pickup

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