Why is my cruise control not working on my Subaru?
Having your cruise control malfunction can be frustrating, especially during long drives. Cruise control is a convenient feature that allows you to maintain a steady speed without constantly pressing the accelerator. If your Subaru's cruise control isn't working, there could be several reasons behind the issue. In this article, we'll explore the common causes and what you can do to address them.
Common Reasons Your Subaru's Cruise Control May Not Be Working
There are several potential causes for a malfunctioning cruise control system in your Subaru. Identifying the root cause is essential to fixing the problem effectively. Here are the most common reasons:
- Faulty Brake Pedal Switch: The cruise control system is designed to disengage when you press the brake pedal. If the brake pedal switch is faulty or misaligned, it may prevent the cruise control from activating.
- Blown Fuse: A blown fuse in the cruise control circuit can disrupt the system's functionality. Checking and replacing the fuse might resolve the issue.
- Damaged Speed Sensors: Speed sensors provide critical data to the cruise control system. If one of these sensors is damaged or malfunctioning, the system may not work properly.
- Issues with the Throttle Control System: Modern Subarus use electronic throttle control (ETC) systems. If there’s a problem with the ETC, such as a faulty throttle position sensor, it can affect cruise control operation.
- Check Engine Light or Other Warning Lights: If your Subaru's check engine light is on, the cruise control system may be disabled as a precaution. This often happens when there’s an issue with the engine or emissions system.
- Wiring or Electrical Problems: Damaged or corroded wiring in the cruise control system can lead to intermittent or complete failure.
Understanding these potential causes can help you narrow down the issue and determine the next steps for repair.
Steps to Diagnose and Fix the Problem
If your Subaru's cruise control isn't working, follow these steps to diagnose and potentially fix the issue:
- Check the Brake Pedal Switch: Inspect the brake pedal switch for proper alignment and functionality. Replace it if necessary.
- Inspect the Fuses: Locate the fuse box and check the cruise control fuse. Replace it if it’s blown.
- Scan for Error Codes: Use an OBD-II scanner to check for error codes. This can help identify issues with the throttle control system, speed sensors, or other components.
- Examine the Speed Sensors: Inspect the speed sensors for damage or dirt. Clean or replace them as needed.
- Address Warning Lights: If the check engine light is on, resolve the underlying issue first. This may involve repairing engine or emissions-related problems.
- Inspect Wiring and Connections: Look for damaged or corroded wiring in the cruise control system. Repair or replace any faulty connections.
- Consult a Professional Mechanic: If you’re unable to diagnose or fix the issue yourself, take your Subaru to a trusted mechanic for further inspection and repair.
Following these steps can help you identify and resolve the issue with your cruise control system. If the problem persists, professional assistance may be necessary.
Preventive Maintenance Tips
To avoid cruise control issues in the future, consider these preventive maintenance tips:
- Regularly inspect and maintain your vehicle’s electrical systems.
- Keep the throttle body and sensors clean to ensure proper functionality.
- Address warning lights and error codes promptly to prevent further complications.
- Schedule routine maintenance with a trusted mechanic to catch potential issues early.
By staying proactive with maintenance, you can ensure that your Subaru’s cruise control system remains in good working condition.
Conclusion
When your Subaru's cruise control stops working, it can be due to a variety of reasons, ranging from a faulty brake pedal switch to issues with the throttle control system. By following the diagnostic steps outlined above and addressing any underlying problems, you can restore your cruise control functionality. If you’re unsure about any step or need professional help, don’t hesitate to contact a trusted auto repair shop like Kevin’s Autos for expert assistance.
Frequently Asked Questions
How do I know if my cruise control fuse is blown?
You can check to see if a fuse is blown by checking the fuse box and locate the fuse that corresponds to your cruise control. You'll need to remove the fuse and perform a visual inspection to see if a filament on the inside is broken, indicating that the fuse is bad. If the filament is intact it's most likely fine.
How much does it cost to fix cruise control?
The average cost for a Cruise Control Module Replacement is between $630 and $643. Labor costs are estimated between $50 and $63 while parts are typically priced around $581. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
What is the main cause of cruise control not working?
The speed sensor is broken.
These include regulating the fuel flow and ignition timing, indicating the speed that your car is travelling, and operating the cruise control system. If the speed sensor stops functioning properly, the cruise control will stop working.
Why is cruise control not working on Subaru Outback 2024?
The most common reasons a 2024 Subaru Outback cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
How do I get my cruise control to work?
To use cruise control, you can typically press buttons on your steering wheel to activate the system, set your speed, adjust your speed up or down within the system, and deactivate the system. Using cruise control lets you set a speed for your car to maintain even if you take your foot off the gas.
How do I know if my cruise control switch is bad?
The cruise control switch, typically located on the steering wheel, allows you to activate and set the cruise control. If this switch is faulty, it can prevent the system from working correctly. Test the switch by ensuring it clicks or toggles as it should. If it doesn't, you may need to replace it.
How to reset cruise control?
If you notice that your speed fluctuates after setting it, your system may be malfunctioning. To determine if you have a problem, try resetting the system. To do this, turn the cruise control off by disengaging the switch in your car. Next, turn the system on again, set a speed, and reapply cruise control.
Can a bad fuse cause cruise control not to work?
Seeing your vehicle cruise control is powered by an electronic control unit, it is susceptible to damage by a blown fuse or other certain electrical damage. Common causes for your vehicle's cruise control to not work include: Bad Fuse - Common cause of failed cruise control system.
What does it cost to fix cruise control?
The average cost for a Cruise Control Module Replacement is between $630 and $643. Labor costs are estimated between $50 and $63 while parts are typically priced around $581. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
How to fix cruise control on a Subaru?
The first step is to check the cruise control fuse. Consult your owner's manual to find the fuse box diagram, and locate the fuse connected to the cruise control system. If it's blown, you could try replacing the fuse and testing the cruise control. That could be enough to have you cruising in comfort once again!
