2009 Lincoln MKZ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2009 Lincoln MKZ and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 2009 Lincoln MKZ 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 2009 Lincoln MKZ 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2009 Lincoln MKZ?

When troubleshooting the non-functioning cruise control in a 2009 Lincoln MKZ, it's essential to adopt a systematic diagnostic approach. Start by checking the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the brake pedal and throttle body for any visible issues, as these components play a crucial role in the cruise control's operation. Ensure that the brake lights are functioning correctly, as a malfunctioning brake light can signal to the system that the brakes are engaged, disabling cruise control. Additionally, examine the brake light switch for any faults, as this switch is integral to the system's functionality. Don't forget to test the cruise control switch itself to confirm it is working properly. Lastly, inspect the spiral cable, which connects the steering wheel to the vehicle's electrical system, for any signs of wear or damage. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Lincoln MKZ, saving time and money on professional repairs.

What are the common problems that could cause the cruise control to stop working in a 2009 Lincoln MKZ?

When troubleshooting the cruise control system in a 2009 Lincoln MKZ, it's essential to consider several common issues that could be at play. One of the first things to check is the cruise control switch, as a faulty switch can prevent the system from engaging. Additionally, inspect the fuses related to the cruise control; a blown fuse can easily disrupt its functionality. The speed sensor is another critical component; if it's defective, the cruise control may struggle to maintain a set speed. It's also wise to look for vacuum leaks in the engine, as these can significantly impact the cruise control's performance. Furthermore, issues with the brake light switch can cause the system to disengage unexpectedly, so ensure that this switch is functioning correctly. Lastly, consider the throttle control system, as any malfunctions here can hinder the cruise control's operation. By systematically checking these components, you can identify and resolve the issues affecting your cruise control system.

How urgent is it to address the non-functioning cruise control in a 2009 Lincoln MKZ?

Addressing a non-functioning cruise control in a 2009 Lincoln MKZ is important, even if it may not seem as urgent as other mechanical issues. While the malfunction may not pose an immediate safety risk like brake or engine failures, it can significantly affect your driving comfort and convenience, especially during long trips. A malfunctioning cruise control system could indicate deeper electronic or sensor problems that, if left unchecked, might lead to more serious issues down the line. Moreover, ignoring this problem can lead to frustration during highway driving, where cruise control is often utilized to reduce fatigue. Therefore, it is advisable to have the system inspected and repaired by a qualified mechanic to ensure your vehicle remains in optimal condition, enhancing both safety and driving enjoyment.

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.