2020 Subaru Forester Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Subaru Forester and How to Fix Them

Find Repair Location
Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2020 Subaru Forester cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the steps to diagnose the cruise control issue in a 2020 Subaru Forester?

When diagnosing a cruise control issue in a 2020 Subaru Forester, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown fuse can often be the root cause of the malfunction. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning correctly, as faulty buttons can disrupt the system's operation. Utilizing an OBD-II scanner to scan for error codes can provide valuable insights into specific issues affecting the cruise control system. Additionally, examine the vehicle speed sensor, which is crucial for the cruise control's functionality, and ensure it is not damaged. The brake light switch should also be checked, as a malfunctioning switch can interfere with cruise control operation. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By following this diagnostic approach, you can effectively identify and address the underlying issues with the cruise control in your Subaru Forester.

What are the common problems that could cause the cruise control to stop working in a 2020 Subaru Forester?

When troubleshooting cruise control issues in a 2020 Subaru Forester, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. A blown fuse in the cruise control circuit is another simple yet often overlooked problem that can halt functionality; checking and replacing the fuse may quickly resolve the issue. Furthermore, throttle-related problems, such as a malfunctioning throttle position sensor, can hinder the cruise control's performance. Lastly, any electrical issues, including wiring faults or a defective control module, can also contribute to cruise control malfunctions. By systematically addressing these potential issues, you can effectively troubleshoot and restore the cruise control system in your Subaru Forester.

How urgent is the repair for the non-functioning cruise control in a 2020 Subaru Forester?

When faced with a non-functioning cruise control in your 2020 Subaru Forester, it is crucial to assess the urgency of the repair based on safety, convenience, and potential resale value. A malfunctioning cruise control system can pose safety risks, particularly during long drives or highway travel, where driver fatigue can lead to dangerous situations. Additionally, the absence of this feature can detract from the overall driving experience, making journeys less comfortable and more taxing. Furthermore, neglecting to repair such issues can adversely affect the vehicle's resale value, as prospective buyers may be deterred by unresolved mechanical problems. Therefore, it is advisable to prioritize the repair of your cruise control system to ensure not only your safety and comfort but also to maintain the integrity and value of your vehicle. Addressing this issue promptly will help you avoid potential hazards and enhance your driving experience.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.