2016 Audi S6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Audi S6 and How to Fix Them

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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 2016 Audi S6 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 2016 Audi S6 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-functional cruise control in a 2016 Audi S6?

When faced with a non-functional cruise control in a 2016 Audi S6, it's important to approach the diagnosis methodically. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as this can also lead to malfunctions. It's crucial to verify the functionality of the vehicle's speed sensors, as they provide the necessary data for the cruise control to engage properly. Utilizing a diagnostic scanner to check for error codes can further assist in pinpointing specific issues within the system. Additionally, ensure that the brake and clutch switches are operating correctly, since these components are designed to disengage the cruise control when either pedal is pressed. Finally, conduct a thorough inspection of the wiring and connections associated with the cruise control system, looking for any signs of damage or corrosion that could impede functionality. By following these steps, you can effectively narrow down the potential causes of the cruise control issue and work towards a resolution.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi S6?

When troubleshooting the cruise control system in a 2016 Audi S6, it's essential to understand the common problems that may lead to its failure. One of the primary issues could be a faulty speed sensor, which is crucial for the system to accurately gauge the vehicle's speed. If this sensor malfunctions, the cruise control may not engage or maintain the desired speed. Additionally, the brake light switch plays a vital role in the operation of cruise control; if this switch is defective, it may not send the correct signal to disengage the system when the brake pedal is pressed. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening. If it fails, the cruise control may struggle to maintain speed. Furthermore, a defective cruise control module can disrupt the entire system, as it processes the necessary inputs for speed control. Lastly, electrical issues such as wiring problems or blown fuses can also hinder the cruise control's functionality. By systematically checking these components, you can effectively diagnose and resolve the issues affecting the cruise control system in your Audi S6.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi S6?

When it comes to a malfunctioning cruise control system in a 2016 Audi S6, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. For DIY enthusiasts, understanding the risks associated with neglecting this problem is crucial; not only can it compromise your safety, but it can also lead to more extensive and costly repairs if left unaddressed. Moreover, a malfunctioning system can detract from the overall driving experience, making long journeys uncomfortable and inconvenient. By tackling the issue promptly, you not only ensure the vehicle's systems function correctly but also maintain the performance and reliability of your Audi. Therefore, if you notice any signs of malfunction, it is advisable to take immediate action to diagnose and repair the cruise control system, safeguarding both your vehicle and your driving experience.

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