2012 Lincoln MKZ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Lincoln MKZ and How to Fix Them

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Reviewed by
Devin Cabugcal
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 2012 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 2012 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 2012 Lincoln MKZ?

When faced with a non-functioning cruise control in a 2012 Lincoln MKZ, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the vehicle's fuse box, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational and not stuck, as this can prevent the system from engaging. The vehicle speed sensor is another critical component; verify its functionality since it directly impacts cruise control performance. Additionally, examine the brake pedal switch, which should be free from obstructions, as any malfunction here can cause the cruise control to disengage unexpectedly. Utilizing a diagnostic scanner to check for error codes can provide further insights into any underlying issues. Don't overlook the cruise control module itself; ensure it is receiving power and functioning correctly. Lastly, conduct a thorough inspection of the wiring and connections associated with the cruise control system, looking for signs of damage or corrosion. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Lincoln MKZ.

What are the common problems that could cause the cruise control to stop working in a 2012 Lincoln MKZ?

When troubleshooting cruise control issues in a 2012 Lincoln MKZ, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging or disengaging properly. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a constant speed, leading to failure. It's also wise to check for a blown fuse in the vehicle's electrical system, as this can interrupt the cruise control function. Other potential problems include a malfunctioning throttle control system, which may involve a faulty throttle position sensor, and a defective cruise control module that governs the system's operation. Furthermore, inspect the wiring for any damage or loose connections, as these can cause connectivity issues. Lastly, be aware of the vehicle speed limiter feature, which may prevent cruise control from functioning if the vehicle reaches its maximum speed limit. By systematically addressing these issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Lincoln MKZ.

How urgent is it to address the malfunctioning cruise control in a 2012 Lincoln MKZ?

When it comes to the malfunctioning cruise control in a 2012 Lincoln MKZ, the urgency of addressing the issue cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. By neglecting this problem, drivers not only jeopardize their safety but also that of others. Furthermore, delaying repairs can exacerbate the issue, potentially causing more extensive damage to the vehicle's components, which could result in costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, making it inconvenient to use this feature when needed. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure safe driving, prevent further complications, and maintain the vehicle's functionality.

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2012 Lincoln MKZ Cruise Control Issues & Repair Costs