2006 Volvo S80 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Volvo S80 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
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25% chance it's the
Control Module
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25% chance it's the
Throttle
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20% chance it's
Something else
The most common reasons a 2006 Volvo S80 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.

How much does it cost to fix a 2006 Volvo S80 cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the steps to diagnose the cruise control issue in a 2006 Volvo S80?

To effectively diagnose the cruise control issue in your 2006 Volvo S80, begin by checking the instrument panel display to confirm that the "cruise" indicator is illuminated. This initial step ensures that the system is at least receiving power. Next, inspect the brake pedal position sensor, as a loose or disconnected sensor can disrupt the cruise control functionality. If the display is active and the sensor is secure, proceed to scan for OBD2 codes, which can reveal underlying issues such as problems with the O2 or MAF sensors. It's also essential to examine all electrical connections related to the cruise control system for any loose or corroded wires that could lead to intermittent failures. After these checks, test the cruise control by engaging and disengaging it multiple times; if it only activates after a delay, this may indicate a deeper issue with the sensors or switches. If you have access to professional diagnostic tools, pulling codes from the SRS module can provide additional insights. For vehicles equipped with adaptive cruise control, ensure that the radar surface is clean, as obstructions can hinder performance. Lastly, familiarize yourself with common issues such as failed control modules or throttle actuation problems, as this knowledge can guide your troubleshooting efforts. By following this structured approach, you can systematically identify and address the cruise control issue in your Volvo S80.

What are the common issues that could cause the cruise control to stop working in a 2006 Volvo S80?

When troubleshooting cruise control issues in a 2006 Volvo S80, it's essential to understand the common problems that may arise. One of the primary culprits is a faulty brake pedal position sensor, which communicates the brake pedal's status to the engine control unit (ECU). If this sensor malfunctions, it can disrupt the cruise control's functionality. Similarly, a defective brake light switch can send incorrect signals to the ECU, leading to cruise control failure. Additionally, problems with throttle actuation can hinder the system's performance, as can issues with the ECU itself, which may fail and require replacement. While less common, a faulty clutch pedal sensor can also contribute to cruise control malfunctions. By identifying these potential issues, DIY enthusiasts can better diagnose and address the root causes of cruise control problems in their Volvo S80, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2006 Volvo S80?

produce the content. We need to highlight the urgency of addressing the non-functioning cruise control in a 2006 Volvo S80, focusing on the safety risks and potential consequences of inaction.

Content:

Addressing the non-functioning cruise control in your 2006 Volvo S80 is not just a matter of convenience; it is a pressing safety concern that should not be overlooked. When cruise control fails, it can lead to increased driver fatigue, as maintaining a consistent speed becomes a manual task, especially during long journeys. This constant adjustment can distract you from the road, increasing the risk of accidents. Furthermore, a malfunctioning cruise control system may signal deeper issues within the vehicle's electrical or mechanical systems, which, if ignored, could result in more severe damage and costly repairs. The potential for sudden loss of control while driving due to cruise control failure can create hazardous situations, making it imperative to diagnose and fix the problem promptly. Prioritizing this repair not only enhances your driving experience but also ensures the safety of you and your passengers on the road.

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2006 Volvo S80 Cruise Control Not Working: Causes & Repairs