2008 Mercury Sable Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Mercury Sable and How to Fix Them

Find Repair Location
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 Mercury Sable 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 much does it cost to fix a 2008 Mercury Sable 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 common causes for the cruise control not working in a 2008 Mercury Sable?

When dealing with a malfunctioning cruise control system in a 2008 Mercury Sable, it's essential to understand the common problems that could be at play. One of the primary culprits is a failed control module, which can disrupt the entire cruise control functionality. Additionally, issues with sensors or switches that communicate with the cruise control system may also lead to operational failures. Another frequent cause is throttle actuation problems, where the throttle may not respond correctly, preventing the cruise control from engaging. It's also worth checking for a blown fuse dedicated to the cruise control system, as this can easily halt its operation. Furthermore, a defective brake pedal switch can inadvertently signal that the brakes are engaged, thus disabling the cruise control. Lastly, complications within the throttle control system or the anti-lock braking system (ABS) can further impact the cruise control's performance. By systematically examining these areas, you can effectively troubleshoot and potentially resolve the cruise control issues in your vehicle.

How urgent is it to address the non-functioning cruise control in a 2008 Mercury Sable?

When it comes to the urgency of fixing a non-functioning cruise control in your 2008 Mercury Sable, it's essential to weigh both safety and comfort. While the immediate safety risk may be minimal, neglecting this issue can lead to increased driver fatigue during long trips, as you miss out on the convenience that cruise control provides. Moreover, if left unaddressed, the underlying problems could escalate, potentially leading to more significant repairs down the line. For instance, a simple blown fuse or a faulty switch might seem minor, but if these issues are ignored, they could affect other vehicle systems. Therefore, it is advisable to diagnose and address the problem sooner rather than later, ensuring not only a more enjoyable driving experience but also preventing any unforeseen complications that could arise from prolonged neglect.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.