2014 Audi S6 Cruise Control Isn't Working

Diagnosing Common Issues with Cruise Control in Your 2014 Audi S6 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 2014 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 2014 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 steps to diagnose the non-functioning cruise control in a 2014 Audi S6?

To effectively diagnose the non-functioning cruise control in your 2014 Audi S6, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as malfunctioning buttons can prevent engagement. Following this, verify the functionality of the speed sensors, as these components are crucial for the cruise control system to operate correctly. Additionally, check the brake pedal switch, since a faulty switch can inadvertently disable the cruise control. If these initial checks do not reveal the problem, utilize a diagnostic scanner to identify any error codes that may indicate specific issues within the cruise control system. Finally, inspect the wiring and connections associated with the cruise control for any signs of damage or corrosion, as compromised wiring can disrupt functionality. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction in your Audi S6.

What are the common problems that could cause the cruise control to stop working in a 2014 Audi S6?

When the cruise control in a 2014 Audi S6 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 light switch, which may fail to signal the system when the brake pedal is pressed, thereby preventing cruise control from engaging. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a steady speed, leading to erratic behavior. Another potential problem is a malfunctioning throttle actuator, which can hinder the cruise control's operation by failing to adjust the throttle as needed. It's also important to check for vacuum leaks, as these can compromise the necessary vacuum pressure for the system to function properly. Lastly, a defective cruise control module itself may be the root cause of the failure. By systematically examining these components, you can pinpoint the issue and take the necessary steps to restore your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in my 2014 Audi S6?

Addressing the malfunctioning cruise control in your 2014 Audi S6 is of utmost importance due to the immediate safety risks it poses. A faulty cruise control system can lead to unexpected acceleration or deceleration, increasing the likelihood of accidents on the road. Moreover, neglecting this issue can exacerbate the problem, potentially causing damage to other vehicle systems, which may result in more extensive and costly repairs down the line. Additionally, a properly functioning cruise control enhances your driving experience by providing comfort and efficiency during long trips. Therefore, it is crucial to prioritize the repair of your cruise control system not only for your safety but also to maintain the overall performance and enjoyment of your vehicle.

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Troubleshooting 2014 Audi S6 Cruise Control Problems