2013 Subaru Legacy Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Subaru Legacy 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 2013 Subaru Legacy cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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.

How urgent is it to address the non-functioning cruise control in a 2013 Subaru Legacy?

When it comes to a non-functioning cruise control system in a 2013 Subaru Legacy, the urgency of addressing the issue cannot be overstated. A malfunctioning cruise control can significantly compromise safety, especially during long drives where driver fatigue is a concern. Without the ability to maintain a steady speed, the risk of sudden acceleration or deceleration increases, potentially leading to dangerous driving situations. Additionally, a faulty cruise control system may have broader implications for vehicle performance, affecting acceleration and even the accuracy of the speedometer. This can create confusion and further complicate driving conditions. Beyond the technical aspects, resolving the cruise control issue can restore peace of mind for the driver, ensuring that all vehicle systems are functioning as intended. This not only enhances the overall driving experience but also alleviates stress associated with potential vehicle malfunctions. Therefore, while it may not seem like an immediate emergency, addressing the non-functioning cruise control should be a priority for any Subaru Legacy owner to ensure safety, optimal performance, and a worry-free journey.

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