2006 Subaru B9 Tribeca Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Subaru B9 Tribeca 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 2006 Subaru B9 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 2006 Subaru B9 Tribeca?

To effectively diagnose a cruise control issue in a 2006 Subaru B9 Tribeca, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, sensor, and switch, as these components are often the primary culprits behind cruise control malfunctions. Next, assess the throttle actuation system, since any irregularities here can disrupt cruise control functionality. Pay attention to the traction control light; if it remains illuminated, it may indicate a problem that could also affect the cruise control system, given their interdependence. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into underlying issues that may not be immediately visible. Finally, do not overlook the brake pedal switch, as a malfunctioning switch can prevent the cruise control from engaging properly. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control problem in your Subaru B9 Tribeca.

How urgent is it to address the malfunctioning cruise control in a 2006 Subaru B9 Tribeca?

When considering the urgency of addressing a malfunctioning cruise control in a 2006 Subaru B9 Tribeca, it's essential to weigh the convenience against potential risks. While a malfunctioning cruise control system can make long drives less enjoyable, it does not pose an immediate safety threat. However, neglecting this issue could lead to further complications, especially if the cruise control light is flashing, which may indicate underlying problems such as a faulty brake switch or electrical faults. Although the vehicle remains drivable without functional cruise control, it is advisable to address the issue to ensure all systems are operating correctly and to prevent any future inconveniences. Additionally, if other warning lights, such as the check engine light, are illuminated, it may signal more serious issues that warrant prompt attention. Therefore, while the urgency may not be high, taking the time to diagnose and repair the cruise control system can enhance your driving experience and maintain the overall health of your vehicle.

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Cruise Control Failure in 2006 Subaru B9 Tribeca