2013 Audi A6 Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2013 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 2013 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 2013 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 2013 Audi A6 Quattro?

When troubleshooting the non-functional cruise control in a 2013 Audi A6 Quattro, it's essential to adopt a methodical diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse is a straightforward issue that can easily be resolved. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can hinder functionality. Following this, verify the speed sensors, which play a crucial role in the cruise control system; faulty sensors can prevent engagement. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, examine the brake and clutch switches, as these components must function correctly for the cruise control to activate. Finally, inspect the wiring and connections for any signs of damage or corrosion, as faulty wiring can disrupt the system's operation. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Audi A6 Quattro.

What are the common problems that could cause the cruise control to stop working in a 2013 Audi A6 Quattro?

When the cruise control in your 2013 Audi A6 Quattro 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 is crucial for the cruise control system as it disengages when the brake pedal is pressed. If this switch is malfunctioning, it may prevent the cruise control from engaging at all. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. Another potential problem is vacuum leaks within the system, which can hinder the cruise control's operation. Furthermore, a defective cruise control module may also be responsible for the malfunction, as it is the central component that controls the system. Lastly, don't overlook electrical problems, such as blown fuses or wiring issues, which can significantly impact the functionality of the cruise control. By systematically checking these areas, you can identify and potentially resolve the issues affecting your vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2013 Audi A6 Quattro?

When it comes to the non-functioning cruise control in your 2013 Audi A6 Quattro, understanding the urgency of the situation is crucial for both safety and vehicle performance. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system often points to underlying electronic or sensor issues that could affect other critical systems in your vehicle. This not only compromises your driving comfort, especially on long trips where maintaining a steady speed is essential, but it can also lead to increased fuel consumption due to erratic speed control. For DIY enthusiasts, it’s important to recognize that while you may be tempted to ignore the problem, addressing it promptly can save you from costly repairs in the future. Therefore, diagnosing and repairing the cruise control system should be a priority to ensure your Audi A6 Quattro remains safe and efficient on the road.

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2013 Audi A6 Quattro Cruise Control Issues & Repairs