Skip the auto shop - Our mechanics make house calls

Q: When do the vehicle stability control and traction control systems operate?

asked by on

When do the vehicle stability control and traction control systems operate?

Your vehicle is equipped with both a vehicle stability control system (VCS) and a traction control system (TRAC). They operate independent of your input – they come on and off automatically, without you having to do anything. They will automatically engage when the car’s computer detects slipping, or if a wheel spins free. You will see the VSC/TRAC light come on in the dash when they activate. You’ll also hear a buzzer.

You can disable VCS and TRAC if you need to. This can be necessary in some conditions, as both systems will divert power from the drive wheels to stop slipping. To turn them off, just push the TRC button on the dash. You’ll see a light on the dash that reads AUTO LSD come on and the TRAC Off light will also illuminate. The slip indicator light will flash.

When you push the TRAC button again, the lights should go out and the VSC and TRAC systems should go back to automatic operation.

Tips

  • VSC and TRAC are enabled every time the engine cranks, even if you turned them off before shutting it down.

  • If you turn off the TRAC system only, it will re-enable when you pick up speed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  • Home
  • Questions
  • When do the vehicle stability control and traction control systems operate?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Slip differential slipping

Hello. When this happens it is an indication that the gears in your differential are worn out and need to be replaced. To repair this issue, the differential will need to be rebuilt or replaced. This should be done by...

Q: battery light go on

Hello there. This could be an indication of a bad battery temperature sensor, battery cables that are loose or worn out, or a simple ground wire that is not properly connected. The battery light typically comes on when any component...

Q: Harsh shift - 2004 Toyota Camry

Hi there. This may be a sign of a faulty transmission control solenoid. Modern automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission solenoid, which directs transmission...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.