Question about 1999 Pontiac Grand Am GT

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The traction light is on,and the car keeps jolting. What can I do?

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The tc butten above radio is bad

Posted on Jul 17, 2009


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I have a 2000 Chev Cavalier...when the T/C light comes on which is supposed to be for traction the car rpm's will rev out like its out of gear then the car will jolt and the rpm's will drop and it will...

Well, when the light is on it means the traction control is off or not working. And yes an ABS wheel sensor could be involved, but I doubt a wheel sensor would cause the symptoms. The jolting part sounds like the transmission is going into neutral for a few seconds.
You should be able to have the abs checked for trouble codes.

Feb 19, 2015 | 2000 Chevrolet Cavalier

1 Answer

My service traction system light keeps coming on

the traction sym. works with the ABS sym. sounds like you have a wheel speed sensor or a wheel bearing going out

May 27, 2013 | 2003 Chevrolet Impala

2 Answers

How do you use the traction control system. should the dashboard light be on or off

how the tcs works is when active light on dash will be on you will only feel it working tcs uses wheel speed sensors that when your tire slips and spins faster than other wheel like spinnig out on on ice snow gravel the tcs unit will use a controlled misfire that will **** or jolt giving traction and will stay engaged until spinnig stops or you let off gas basicaly it uses the engine to **** not allowing wheels to spin out to get a feel turn on tcs find a gravel or snowy road accelerate trying to make the car slip you will feel car start to **** it works well try it so you get a feel incase you trigger tcs and catches you off guard

hope this helped
plz vote comment if any more questions reply

Jan 18, 2011 | Saturn Aura Cars & Trucks

1 Answer

I get stuck in third gear almost every time I take the car out. It has gotten to a point now where the other day, when it was raining, my car jolted, the steering wheel sort of locked and so did the wheels...

I've just copied this from wikipedia:-

A traction control system (TCS), also known as Anti-Slip Regulation (ASR), is typically (but not necessarily) a secondary function of the anti-lock braking system on production vehicles, and is designed to prevent loss of traction of the driven road wheels, and therefore maintain the control of the vehicle when excessive throttle is applied by the driver and the condition of the road surface (due to varying factors) is unable to cope with the torque applied.
The intervention can consist of one or more of the following:
  • ****** or suppress the spark to one or more cylinders
  • Reduce fuel supply to one or more cylinders
  • Brake one or more wheels
  • Close the throttle, if the vehicle is fitted with drive by wire throttle
  • In turbo-charged vehicles, the boost control solenoid can be actuated to reduce boost and therefore engine power.
Typically, the traction control system shares the electro-hydraulic brake actuator (but does not use the conventional master cylinder and servo), and the wheel speed sensors with the anti-lock braking system.

I'd suggest

1) Have a look at the Hyudai website, see if there's a forum or discussion group where the same problem has been encountered / resolved.

2) Getting it plugged into proper the diagnostic equipment.

Dec 06, 2010 | 2001 Hyundai XG300

1 Answer

What does Trac off light mean?

It means you turned off the cars' Traction Control. The traction control tries to keep your wheels from spinning and keep you on the road. By pressing the TRAC button and turning the traction control off, the computer no long tries to keep the wheels from spinning (a good thing if you want to peel out!)

Oct 06, 2010 | Lexus RX 300 Cars & Trucks

1 Answer

We have a prblem with the Service Traction System Light coming on also the traction off light is coming on and ABS light we have replaced both bearings on either side and the car runs light new steering...

abs pump motor control fault...dealter got parts from wrecker (lot cheaper) already spent close to $2000.00 to repair traction/abs..messages kept coming on so they finally diagnosed the above problem...we will see...

Jun 28, 2009 | 2001 Chevrolet Monte Carlo

1 Answer

2003 mustang showing a traction sign light and the car won't advance when the traction light is on, but it keeps on and off

The traction control feature is malfuntioning and telling the engine not to rev up. It can most likely be one or both of the rear wheel speed sensor failed.

Jun 27, 2009 | 2003 Ford Mustang

1 Answer

The car jerks while we drive

Check your air intake tube for any cracks. The jolting could be caused by improper air flow.

Apr 04, 2009 | 1992 Ford Escort 4 Door

1 Answer

Traction control

Traction Control system adjusts your throttle and braking automatically to help keep your car from slipping on wet/snowy roads. If the light flashes momentarily then that means it is doing the job properly. If the light flashes constantly or stays on then it indicates a problem with the traction control or ABS system and could pose a safety concern.

Jan 26, 2009 | 1994 Cadillac DeVille

1 Answer

Traction Light

If the orange light is the light that keeps coming on, then you may have tire issues. Mounting different tires from the Goodyear Eagle F-1 or the Goodyear Supercars can cause the car to think that it is loosing traction (especially if the tires are of different sizes than the original tires).

Jun 25, 2008 | 2005 Chevrolet Corvette

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