Cruise control can be a great help when you're driving on the highway. Since it maintains a constant speed for you, you can let your leg rest. If the cruise control in your Chevrolet isn't working as it should, it can increase your driving fatigue--and it could also mean that there's an underlying problem with your Chevy. Below are four possible reasons why cruise control may have stopped working. No matter what the cause is, we recommend that you have your Chevy looked at by a factory-authorized professional.
4. The Mechanical Components Have Been Damaged
If you're driving an older vehicle, the cruise control may be mechanical. Such systems are made up of a cable connecting the throttle to a part called the vacuum actuator, which adjusts the cable based on the cruise control setting. A vacuum leak is a common problem on such systems, but damage to either of these components can cause the cruise control to stop working.
3. A Fuse Has Blown
Electronically-controlled cruise control systems have a fuse that can fail if there's an electrical problem. Replacing the blown fuse can often solve the issue; however, if it blows again, there's likely a more complex wiring problem.
2. The Speed Sensor Is Damaged
The speed sensor does exactly what it sounds like. It's in charge of sensing how fast your vehicle is moving. If it's damaged, the cruise control system may not work properly, as it could be getting an inaccurate reading. In addition to the cruise control, a damaged speed sensor can affect your speedometer, and should be fixed at once.
1. The Brake Pedal Switch Is Faulty
The brake pedal switch is what makes sure that the brake lights turn on when you step on the brake. This switch is also an important part of the cruise control. Stepping on the brakes turns off cruise control, and a broken switch may send out the signal that you're braking--even if you're not. In addition to not letting the cruise control kick in, a broken brake pedal switch may also mean that your brake lights are constantly on. This can put you in greater danger, as people won't know when you're actually braking. Have this issue looked at immediately.
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