Why is the warning light on on my car?

Why is the warning light on on my car?

If it turns out that at least one of the wheels is moving too slowly, the anti-lock braking system will increase the pressure of the brake fluid to allow the wheel to move at a normal speed. But if there is a problem with the speed sensor, the anti-lock braking system will detect that and cause the warning light to illuminate on the dashboard.

Why does the traction control warning light stay on?

When the traction control warning light stays on, that means you aren’t getting any help from the system to control traction and the system needs to be checked.

Why does my check engine light go off at night?

kwangmoo/123rf. An aftermarket alarm can wreak havoc on your car if it’s not installed properly. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Then, when you least expect it, it’ll go off in the middle of the night because a leaf from an oak tree fell on the hood.

Why does the warning light come on on my GMC Yukon?

In some cases, the warning light can come on because wheel-speed sensors are covered with road grime or debris. Several GM models from recent years have had this problem, and GM issued a technical service bulletin to dealers to address it.

Why is the 4 wheel drive light blinking?

The 4-Lo engaged the low-range transfer case for rough and challenging off-road driving. Fast forward a few decades and, enter the Actuator. The actuator is a component found mostly on modern four wheel drives and is designed to electronically engage 4 wheel drive.

Why is my anti theft light blinking fast?

First, if your theft light is blinking fast it means either you or someone else tried to get into the vehicle without a key or….some tried to use a key that did not have a chip in it. NEVER, EVER USE A KEY THAT DOES NOT HAVE THE CHIP TO START YOUR CAR…DONT DO IT. It will trigger the PATS Anti theft system.

How does a 4 wheel drive light work?

It accomplishes this by means of a small electric motor bolted onto the transfer case that shifts a pin in place to lock the center transfer differential. The actuator allows you to shift from 2WD to 4WD on the fly and back to 2WD without stopping and can be engaged and disengaged by means of a switch inside the cabin, usually on the dashboard.

Why is the anti theft light blinking ON MY 2001 Ford Explorer?

Says there is no re-programming involved because it simply reads the chip and sends the info to the system. The last time my 2001 Explorer failed to read the chip I just bumped the steering wheel a couple times to send vibrations through the column. It worked.