2013 Audi A6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Audi A6 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 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 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 cruise control issue in a 2013 Audi A6?

When diagnosing a cruise control issue in a 2013 Audi A6, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by examining 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 functioning correctly, since any malfunction here can impede the system's performance. Utilizing a diagnostic scanner to check for error codes can provide critical insights into specific problems affecting the cruise control system. Additionally, it's important to assess the speed sensors, as faulty sensors can prevent the system from maintaining a consistent speed. Pay close attention to the wiring and connections associated with the cruise control system; any signs of damage or loose connections can lead to malfunctions. Lastly, testing the cruise control module is essential, as a defective module can hinder the system's ability to engage or maintain speed. By systematically addressing each of these components, you can effectively diagnose and resolve cruise control issues in your Audi A6.

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

When troubleshooting cruise control issues in a 2013 Audi A6, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to functionality problems. Another potential issue is a malfunctioning throttle actuator, which is crucial for the cruise control to effectively manage speed. Electrical problems, such as blown fuses or wiring issues, can also interfere with the operation of the cruise control system. Lastly, a failure in the control module that oversees cruise control functions can result in the system not working as intended. By identifying and addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Audi A6.

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

When considering the urgency of fixing a non-functioning cruise control in a 2013 Audi A6, it's essential to recognize that while this issue may not pose an immediate safety risk like brake or steering failures, it still warrants prompt attention. A malfunctioning cruise control can lead to increased driver fatigue during long trips, as it removes the convenience of maintaining a steady speed. Additionally, this problem may signal deeper electronic or sensor issues that could affect other vehicle systems, potentially leading to more significant repairs down the line. Ignoring the cruise control malfunction can also result in higher fuel consumption, as drivers may struggle to maintain a consistent speed, ultimately costing more over time. Therefore, while it may not be an emergency, addressing the cruise control issue sooner rather than later is advisable to ensure optimal vehicle performance and enhance your driving experience. For those inclined to DIY, diagnosing the problem early can save time and money, making it a worthwhile endeavor.

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