2018 Volkswagen Tiguan Limited Cruise Control Isn't Working

Fix Cruise Control Malfunctions in Your 2018 Volkswagen Tiguan Limited

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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 2018 Volkswagen Tiguan Limited 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 2018 Volkswagen Tiguan Limited 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 2018 Volkswagen Tiguan Limited?

When troubleshooting the non-functioning cruise control in a 2018 Volkswagen Tiguan Limited, it's essential 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 easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent proper engagement. It's also crucial to verify that the vehicle's speed sensor is operational, since cruise control relies on accurate speed readings to maintain set speeds. Utilizing a diagnostic scanner can further aid in identifying any error codes related to the cruise control system, providing insight into potential electronic issues. Additionally, ensure that the brake lights are functioning correctly, as a faulty brake light switch can inhibit cruise control activation. Lastly, if your Tiguan's cruise control operates via a vacuum system, check the vacuum lines for leaks or damage that could impair performance. By following these steps, you can effectively diagnose and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2018 Volkswagen Tiguan Limited?

When the cruise control in your 2018 Volkswagen Tiguan Limited ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake pedal switch, which may fail to signal the cruise control system when the brake is applied, thus preventing it from engaging. Additionally, issues with the speed sensor can disrupt the system, as it relies on accurate speed data to maintain your desired pace. A blown fuse related to the cruise control circuit can also be a simple yet overlooked cause of failure, cutting off power to the system entirely. Furthermore, if the throttle actuator is malfunctioning, it can hinder the cruise control's ability to adjust engine speed, leading to erratic behavior or complete inoperability. Lastly, a defective cruise control module can disrupt the entire system's functionality. By systematically checking these components, you can identify and resolve the underlying issues, restoring your cruise control to working order without the need for professional assistance.

How urgent is it to address the non-functioning cruise control in a 2018 Volkswagen Tiguan Limited?

Addressing the non-functioning cruise control in a 2018 Volkswagen Tiguan Limited is crucial for both safety and vehicle performance. When cruise control fails, it can signify deeper issues within the vehicle's systems, potentially leading to unsafe driving conditions. For DIY enthusiasts, understanding the urgency of this problem is essential; neglecting it could result in more significant repairs down the line, which may be more complex and costly. Moreover, a malfunctioning cruise control can lead to increased driver fatigue during long trips, as it removes the convenience of maintaining a steady speed. Therefore, if you notice any irregularities with your cruise control, it is advisable to investigate the issue promptly. This could involve checking the vehicle's fuses, inspecting the brake pedal switch, or even scanning for error codes, as these steps can help identify the root cause before it escalates into a more serious problem. Taking action sooner rather than later not only enhances your driving experience but also ensures the safety of you and your passengers on the road.

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