2014 Audi A6 Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2014 Audi A6 Quattro

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Reviewed by
Bo Fader
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 A6 Quattro 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 A6 Quattro 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 2014 Audi A6 Quattro?

When troubleshooting the non-functional cruise control in your 2014 Audi A6 Quattro, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can often be the simplest fix. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, verify the functionality of the brake pedal switch, which is essential for disengaging the cruise control when the brakes are applied. It's also important to check the vehicle speed sensor, as accurate speed readings are vital for the cruise control system to operate correctly. Finally, test the cruise control module to confirm that it is sending the appropriate signals to engage the system. By following these steps in order, you can effectively diagnose and address the issues affecting your cruise control, making your DIY repair process more efficient and successful.

What are the common problems that could cause the cruise control to stop working in a 2014 Audi A6 Quattro?

When the cruise control in your 2014 Audi A6 Quattro ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty brake light switch, which is crucial for the cruise control system as it disengages the system when the brake pedal is pressed. If this switch malfunctions, it may prevent the cruise control from engaging at all. Another potential issue lies with the speed sensor; if this component fails, the cruise control cannot maintain a constant speed, leading to operational failure. Additionally, the throttle actuator plays a vital role in adjusting the engine's throttle based on the cruise control settings, and any malfunction here can disrupt the system's functionality. A defective cruise control module itself can also be a reason for the system's failure, as it is the central unit that controls the cruise control operations. Lastly, don’t overlook electrical problems, such as blown fuses or wiring issues, which can significantly impact the cruise control system. By systematically checking these components, you can effectively troubleshoot and potentially resolve the cruise control issues in your Audi A6 Quattro.

How urgent is it to address the malfunctioning cruise control in my 2014 Audi A6 Quattro?

Addressing a malfunctioning cruise control in your 2014 Audi A6 Quattro is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When cruise control fails, it can disrupt your ability to maintain a steady speed, increasing the likelihood of accidents on the road. This malfunction can also lead to more severe issues within your vehicle, as neglecting the problem may cause additional strain on other components, resulting in costly repairs down the line. By prioritizing the repair of your cruise control system, you not only enhance your driving safety but also contribute to the overall performance and longevity of your Audi A6 Quattro. Therefore, it is essential to act swiftly to mitigate risks and prevent further complications.

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2014 Audi A6 Quattro Cruise Control Issues & Repair Costs