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There are several possible reasons why your cruise control may have stopped working. Here are some steps you can take to diagnose the issue:
Check the cruise control fuse: The first thing to check is the fuse that controls the cruise control system. Refer to your vehicle's owner manual to locate the fuse box and find the specific fuse for the cruise control. If the fuse is blown, replace it with a new one.
Check the brake light switch: The cruise control system is designed to disengage when you step on the brake pedal. If the brake light switch is faulty, the cruise control system may not work. You can test the switch by pressing the brake pedal and checking if the brake lights come on. If the brake lights don't come on, you may need to replace the brake light switch.
Check the speed sensor: The speed sensor is responsible for detecting the vehicle's speed and communicating it to the cruise control system. If the speed sensor is faulty or dirty, the cruise control system may not work. You can test the speed sensor with a multimeter or take your vehicle to a mechanic to have it tested.
Check the cruise control module: If all the above steps check out, the problem may be with the cruise control module itself. The module may be faulty and may need to be replaced. You can take your vehicle to a mechanic to have the module tested and replaced if necessary.
It's always recommended to consult with a certified mechanic or technician to diagnose and fix issues related to the cruise control system in your vehicle. They will have the expertise and necessary tools to troubleshoot the problem and provide the appropriate solution.
cruise controls have to go through a series of sensors and switches before they work
brake pedal sensor , clutch pedal sensor if manual, VSS sensor, rpm (ignition module) control on switch,fuse,
one or a combination will not allow the cruise control to work
Does the cruise control lights come on when you select it? If it doesn't then you may want to check the fuse(s) that give the system power. If the fuse is blown then try replacing it. If it blows again when you try to use the cruise control then the unit it self may be bad and need replacing. You can find the fuse box location and the right fuse for it in the owners manual of the car.
I have a 2006 Dakota V8 4.7L My cruise control quit working, but no issues with the horn. This all happened after the EGR valve was replaced. Could that have anything to do with it?? Any suggestions??
The BRAIN BOX which is known by most car owners controls the throttle boy accellerations control when engaging the cruise control on. If your fuses are good I recomend have the servo (brain box) checked
Ther is a recall on the brake light switch it makes the cruise control not work too. but Chevy only recalled the Brake lamp Switch. Recall #09049.Hope this helps.
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