2008 Subaru Tribeca Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Subaru Tribeca and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2008 Subaru Tribeca 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.

What are the steps to diagnose the cruise control issue in a 2008 Subaru Tribeca?

To effectively diagnose cruise control issues in your 2008 Subaru Tribeca, start by checking the control module, sensor, and switch, as these are common culprits for malfunction. Next, inspect the throttle actuation system, since any problems here can directly impact cruise control functionality. Pay attention to warning lights on your dashboard; a flashing cruise control light alongside the check engine light may indicate deeper issues that need addressing. It’s also wise to verify the integrity of the fuses, as a blown fuse can lead to multiple warning lights and non-operational cruise control. If the cruise control light is illuminated, try resetting it, as this simple step can sometimes resolve the issue. Don’t forget to consult your owner’s manual for the fuse box diagram to locate the cruise control fuse easily. In older models, consider the mechanical components, such as the cruise control cable, which may require inspection. Lastly, keep in mind that common issues like a failing brake pedal switch can also disrupt cruise control functionality. By following this structured approach, you can systematically identify and potentially resolve the cruise control problems in your Subaru Tribeca.

How urgent is it to address the malfunctioning cruise control in a 2008 Subaru Tribeca?

Addressing a malfunctioning cruise control system in a 2008 Subaru Tribeca is crucial for maintaining both vehicle performance and safety. Ignoring this issue can lead to a cascade of problems, including compromised acceleration and inaccurate speedometer readings, which can significantly affect your driving experience. Moreover, a faulty cruise control system can pose safety risks, especially during long journeys where consistent speed is essential for comfort and control. Common causes of malfunction, such as a blown fuse or a defective cruise control switch, can often be diagnosed and repaired with basic DIY skills. However, delaying these repairs not only increases the likelihood of further damage but also heightens the risk of accidents due to unexpected vehicle behavior. Therefore, it is imperative to act swiftly to ensure that your cruise control system operates effectively, allowing for a safer and more enjoyable driving experience.

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2008 Subaru Tribeca Cruise Control Issues & Repair Costs