2007 Audi A6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Audi A6 and How to Fix Them

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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 2007 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 2007 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2007 Audi A6?

When troubleshooting the non-functioning cruise control in a 2007 Audi A6, it's vital to follow a structured diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common culprit that can easily be replaced. Next, assess the functionality of the cruise control buttons on the steering wheel; if these buttons are not working properly, they can prevent the system from engaging. It's also important to verify the operation of the speed sensors, as they are essential for the cruise control system to function correctly. Utilizing a diagnostic scanner to check for any error codes can help pinpoint specific problems that may be affecting the cruise control. Additionally, examine the brake and clutch switches, which are designed to disengage the cruise control when either pedal is pressed; ensuring these switches are functioning properly is crucial. Finally, inspect the vacuum lines for any signs of leaks or damage, as these can also lead to system malfunctions. By systematically addressing these areas, you can effectively identify and resolve the issues with the cruise control in your Audi A6.

What are the common problems that could cause the cruise control to stop working in a 2007 Audi A6?

When troubleshooting cruise control issues in a 2007 Audi A6, it's essential to understand the common problems that may be at play. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brakes are applied. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. Vacuum leaks are another potential problem, as they can interfere with the cruise control's functionality. Furthermore, a defective cruise control module may also be responsible for the system's malfunction. Lastly, electrical problems, including blown fuses or wiring issues, can significantly impact the operation of the cruise control. By identifying and addressing these common issues, DIY enthusiasts can effectively troubleshoot and potentially resolve the cruise control problems in their Audi A6.

How urgent is it to address the non-functioning cruise control in a 2007 Audi A6?

When it comes to a non-functioning cruise control in a 2007 Audi A6, addressing the issue should not be overlooked, even if it may not seem as urgent as other mechanical failures. While the immediate safety risks may be lower compared to critical systems like brakes or steering, the convenience and functionality that cruise control provides are significant, especially during long drives. Neglecting this issue can lead to increased driver fatigue and reduced fuel efficiency, which are important factors for any driver. Moreover, postponing repairs could allow underlying problems to escalate, potentially resulting in more extensive and costly repairs down the line. Therefore, it is advisable to prioritize fixing the cruise control system to maintain the vehicle's overall performance and ensure a comfortable driving experience. Taking action sooner rather than later can help prevent minor inconveniences from turning into major issues, ultimately safeguarding both the driver and the vehicle.

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