Subaru Crosstrek Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Subaru Crosstrek 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 Subaru Crosstrek 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.

Troubleshooting Cruise Control Issues in a Subaru Crosstrek

When troubleshooting cruise control issues in your Subaru Crosstrek, it's essential to adopt a methodical diagnostic approach. Begin by checking the cruise control fuse located in the fuse box; a blown fuse is a straightforward fix that can often restore functionality. Next, inspect the stop light switch, especially if it has been recently replaced, as improper installation or malfunction can prevent the cruise control from engaging. If these initial checks do not resolve the issue, examine the control module, sensors, and switches for any signs of failure, as these components are frequently responsible for cruise control malfunctions. Additionally, assess the throttle actuation system, as problems here can hinder the cruise control's performance. By following this step-by-step method, you can efficiently identify and address the root cause of the cruise control issues, ensuring a smoother driving experience. If these troubleshooting steps do not yield results, consider consulting a professional for a more in-depth diagnosis.

What to Check When Cruise Control Isn't Working in a Subaru Crosstrek?

When your cruise control isn't functioning in a Subaru Crosstrek, it's essential to methodically check several common problem areas to identify the root cause. Start with the cruise control switch, as a malfunction here can prevent the system from engaging. Next, inspect the control module and associated sensors, as these components are critical for the cruise control's operation. A blown fuse can also be a simple yet often overlooked issue; checking and replacing the cruise control fuse may restore functionality. Additionally, the speed sensor plays a vital role in maintaining the system's performance, so ensure it is working correctly by monitoring your speedometer while driving. If these steps do not resolve the issue, it may be time to consult a professional technician who can provide a more thorough diagnosis. By following this systematic approach, you can effectively troubleshoot and potentially fix the cruise control problem in your Subaru Crosstrek.

Why is the Cruise Control Not Working in a Subaru Crosstrek?

When the cruise control in your Subaru Crosstrek is malfunctioning, it’s crucial to address the issue without delay. Ignoring symptoms such as unresponsive controls or erratic behavior can lead to more significant problems, including compromised safety while driving. A failed control module, sensor, or switch can not only prevent the cruise control from functioning but may also indicate deeper electrical issues within the vehicle. Additionally, throttle actuation problems or a faulty throttle position sensor can affect engine performance, potentially leading to excessive fuel consumption and harmful emissions. If the cruise control switch or the clutch pedal safety switch is malfunctioning, it could pose a risk during driving, especially in situations where maintaining speed is essential. Therefore, it is highly recommended to consult a factory-trained technician at an authorized Subaru service center to diagnose and rectify these issues promptly, ensuring both your safety and the longevity of your vehicle.

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