2020 Subaru Outback Cruise Control Isn't Working

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

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Reviewed by
Bo Fader
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 Outback 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 steps should I take to diagnose the non-functioning cruise control in my 2020 Subaru Outback?

To effectively diagnose the non-functioning cruise control in your 2020 Subaru Outback, begin with a systematic approach that prioritizes simpler solutions. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control's ability to maintain speed. Additionally, examine the brake pedal switch, which is crucial for safety; if this switch is faulty, it may disable the cruise control. To further diagnose the issue, consider using an OBD-II scanner to check for any error codes that could indicate specific problems within the cruise control system. If these steps do not resolve the issue, it may be time to consult a professional mechanic or an authorized Subaru service center for a more thorough inspection. By following this structured diagnostic approach, you can efficiently identify and address the underlying causes of your cruise control malfunction.

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

When your cruise control stops functioning in a 2020 Subaru Outback, there are several common issues you can troubleshoot on your own. Start by checking the brake light switch, as a faulty switch can prevent the cruise control from engaging; if the brake lights are not working properly, this could be the culprit. Next, inspect the speed sensor, which is crucial for maintaining a constant speed; if it’s malfunctioning, the cruise control may not operate as intended. Additionally, a blown fuse in the cruise control system can lead to a complete failure, so checking the fuses is a simple yet effective step. You should also examine the throttle system, particularly the throttle position sensor, as any issues here can disrupt the cruise control's ability to maintain speed. Lastly, consider any electrical problems, such as damaged wiring or a malfunctioning control module, which can also affect the cruise control's performance. By systematically checking these components, you can identify and potentially resolve the issue before consulting a mechanic.

How urgent is it to address the malfunctioning cruise control in my 2020 Subaru Outback?

When it comes to a malfunctioning cruise control system in your 2020 Subaru Outback, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to unexpected acceleration or deceleration, creating a hazardous driving environment that compromises your safety and that of others on the road. Additionally, a malfunctioning system can distract you from maintaining a consistent speed, making it difficult to control your vehicle effectively. Promptly addressing this issue not only helps prevent further damage to the cruise control system and its components but also mitigates the risk of more serious problems or accidents down the line. Therefore, it is crucial to prioritize repairs and seek assistance from a qualified technician as soon as you notice any symptoms of malfunction. Taking swift action can ensure a safer driving experience and protect your vehicle from potential complications.

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