Possible Reasons Why the Cruise Control Light in a Subaru Vehicle May Be Blinking

If you own a Subaru vehicle, chances are you have set and utilized the cruise control feature at one point or another. However, have you ever experienced the cruise control light blinking unexpectedly while driving? This can be frustrating and worrying, especially if it’s the first time this has happened. That’s why we’ve put together this informative guide on the possible reasons why your Subaru cruise control light may be blinking, and what you can do about it.

Key Takeaways

  • A blinking cruise control light in a Subaru vehicle can indicate a problem with the electronic throttle control system.
  • Other factors that can cause the cruise control light to blink include loose or damaged vacuum hoses, failing brake light switches, or even a low battery level.
  • Continuing to use the cruise control feature with a blinking light can be dangerous and cause further damage to the vehicle.
  • It is important to take the vehicle to a trusted Subaru mechanic as soon as possible to diagnose and repair any issues related to the blinking cruise control light.
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Common Causes of a Blinking Cruise Control Light

Electronic Throttle Control System

The electronic throttle control system, also known as the drive-by-wire system, is responsible for maintaining a consistent throttle position and speed while driving. This system can sometimes malfunction, causing the cruise control light to blink. A faulty throttle control system can cause a dangerous situation where the vehicle may suddenly accelerate or decelerate when cruise control is active.

Vacuum Hose Issues

Subaru vehicles use vacuum hoses to control the engine’s air intake system, which is closely linked to the cruise control feature. A loose or damaged vacuum hose can interrupt airflow to the engine, causing the cruise control light to blink. This can also cause other issues, such as reduced engine power and increased fuel consumption.

Brake Light Switch Failure

The cruise control feature is designed to automatically disengage when the brakes are applied. If the brake light switch is failing or has completely failed, it can cause the cruise control light to blink when it is engaged. This issue can also lead to more severe concerns, such as the brake lights not turning on when the brake pedal is pressed, which can be a safety hazard.

Low Battery Level

Another common but often overlooked cause of a blinking cruise control light is a low battery level. A car’s battery is essential to powering the electrical system, including critical components like the throttle control and cruise control module. When the battery level drops below a certain level, it can cause the cruise control light to blink.

What to Do If Your Cruise Control Light is Blinking

If your Subaru’s cruise control light is blinking, the first step is to disengage the feature immediately. Continuing to use the cruise control in this state can be dangerous and cause further damage to the vehicle. Once you have turned off the cruise control, take your vehicle to a trusted Subaru mechanic to diagnose and repair the issue.

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FAQ

1. Can I still drive my Subaru if the cruise control light is blinking?

It is not recommended to continue driving your Subaru if the cruise control light is blinking. Continuing to use the cruise control feature in this state can be dangerous and cause further damage to the vehicle.

2. How much does it cost to repair a blinking cruise control light?

The cost of repairing a blinking cruise control light in a Subaru vehicle can vary depending on the root cause of the issue. It is best to take your vehicle to a trusted Subaru mechanic to diagnose and provide an estimate of the repair costs.

3. Can I fix a blinking cruise control light on my own?

While it is possible to fix some issues related to a blinking cruise control light on your own, it is not recommended unless you have extensive knowledge and experience working on Subaru vehicles. It is best to take your vehicle to a trusted mechanic for a proper diagnosis and repair.

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Billy Covington

With a passion for all things automotive, Billy is our go-to expert on Subaru performance upgrades and modifications. He's been featured in several car magazines and blogs, and his extensive knowledge and expertise make him a valuable member of our team. When he's not working on cars, he enjoys playing guitar and writing music.

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