What does LOW TRAC mean pontiac?
Low trac means your on board computer sensed wheel slip and engaged the traction control system so the vehicle does not skid or slide.
What does TRAC off mean on a pontiac grand am?
Electronic Traction Control
This means that your Electronic Traction Control is either off, or not working. Unless you turned it off, say by pressing a button for the Traction Control, it will need to be checked by a dealer, because the light shouldn’t come on unless it was turned off, or is malfunctioning. 72 people found this helpful. 1,690.
How do I turn my Trac back off?
The TRAC system switches the traction control on/off to prevent wheelspin and further downshifting. To turn the TRAC system off, quickly press and release the button. The TRAC OFF indicator should come on. Press the switch again to turn the system back on.
What causes a Grand Prix ABS light to go off?
Improper tire size, such as two different sizes, will cause the wheels to turn at different speeds and may set a false code when the computer senses this as potential wheel lock-up. Low fluid level in the brake master cylinder will result in shutdown of the ABS and Traction Control system to prevent introduction of air into the brake system.
How does traction control work in a Grand Prix?
The anti-lock braking system (ABS) and Traction Control systems in your Grand Prix both use the ABS wheel-speed sensors and modulator valve assembly to control wheel slip. The ABS system monitors the wheel-speed sensors and relieves brake pressure on a wheel that it senses is nearing lock-up.
What causes wheel lock up on Grand Prix?
Check the tires for proper wheel size and check the fluid level in master cylinder. Improper tire size, such as two different sizes, will cause the wheels to turn at different speeds and may set a false code when the computer senses this as potential wheel lock-up.
Where is the diagnostic connector on a Grand Prix?
The diagnostic connector in OBD-II equipped Grand Prix is located under the driver’s side of the dash near the steering column. Turn the ignition key on and retrieve trouble codes according to the instructions supplied with the scan tool.
How to troubleshoot a Grand Prix ABS light and traction?
Go to step two if the code indicates a wheel speed sensor fault or step five if the codes indicates a solenoid fault. Select “Data” from the onscreen menu and scroll through the list until wheel speed sensor data is displayed on the screen. Test drive the car while monitoring the wheel speed signals, indicated by the fault code, on the scan tool.
What does it mean when Trac off light comes on?
I have a 98 Pontiac Grand Prix that trac off light comes on while driving, have taken it to dealer & he can’t figure out the problem. The car will jerk & almost stall, then run normal when trac off light comes on. Cannot turn it off by button. Any help would be appreciated. Thanks 168 people found this helpful.
The anti-lock braking system (ABS) and Traction Control systems in your Grand Prix both use the ABS wheel-speed sensors and modulator valve assembly to control wheel slip. The ABS system monitors the wheel-speed sensors and relieves brake pressure on a wheel that it senses is nearing lock-up.
What are the names of the Pontiac warning lights?
Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue). There are over 40 of them, so search carefully! Models examined include G3, G5, G6, G8, Grand Prix, Solstice, Torrent, and Vibe.