Why does my cruise control work only sometimes?

Why does my cruise control work only sometimes?

Most of the time this is caused by a bad brake switch. If the switch is shorting out, then it will cause the computer to think that the brakes are being applied, which turns off the cruise control. If the switch is fine, then it may have a bad speed sensor or the cruise control switch itself is bad.

What happens when a cruise control switch is damaged?

Cruise control does not set: When the cruise control brake switch is damaged, it usually does not allow the electrical circuit to complete. This keeps the circuit “open,” which essentially tells the cruise control that the brake pedal is depressed.

How does the cruise control brake release switch work?

One of the leading components that fails sooner than others is the cruise control brake release switch. The job of the cruise control brake release switch is to allow drivers to deactivate the cruise control by simply tapping the brake pedal.

What’s the best way to reset the cruise control?

Step 4: Set your cruise control at 55 or 65 MPH. After the cruise control is set, slightly tap your brake pedal to verify the cruise control shuts off Step 5: Reset the cruise control again and drive for 10 to 15 miles. Verify that the cruise control does not shut off automatically.

What happens when the brake release switch is faulty?

When the cruise control brake pedal switch is faulty, the cruise control will not activate. Since the brake pedal and cruise control share the same activation switch, one way to determine if the switch is faulty is to press the brake pedal and see if the brake lights illuminate.

Cruise control does not set: When the cruise control brake switch is damaged, it usually does not allow the electrical circuit to complete. This keeps the circuit “open,” which essentially tells the cruise control that the brake pedal is depressed.

When to replace a cruise control brake release switch?

For this reason, if you suspect that your cruise control brake release switch may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if your car needs a cruise control brake release switch replacement.

Step 4: Set your cruise control at 55 or 65 MPH. After the cruise control is set, slightly tap your brake pedal to verify the cruise control shuts off Step 5: Reset the cruise control again and drive for 10 to 15 miles. Verify that the cruise control does not shut off automatically.

Why is my cruise control brake not working?

There are two common reasons why the brake switch may be faulty, both of which cause the cruise control to malfunction. The first case is when the cruise control brake switch does not open, which means that when you press on the brake pedal it does not shut off the cruise control.

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