2013 Audi A7 Quattro Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Audi A7 Quattro 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 2013 Audi A7 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 A7 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-functioning cruise control in a 2013 Audi A7 Quattro?

When troubleshooting the non-functioning cruise control in a 2013 Audi A7 Quattro, it's essential to adopt a systematic diagnostic approach that prioritizes simpler solutions before delving into more complex issues. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable problem that can disrupt the system's functionality. Next, verify that the cruise control settings are correctly configured according to the user manual, as incorrect settings can lead to operational failures. Utilizing a diagnostic scanner to check for error codes is also crucial, as these codes can pinpoint specific malfunctions within the cruise control system. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or wear, as faulty buttons can prevent engagement. Finally, test the brake pedal switch, since the cruise control system is designed to disengage when the brake is pressed; a malfunctioning switch can inadvertently disable the cruise control. By following these steps, you can effectively identify and address the underlying issues affecting the cruise control system in your Audi A7 Quattro.

What are the common problems that could cause the cruise control to stop working in a 2013 Audi A7 Quattro?

When the cruise control in a 2013 Audi A7 Quattro ceases to function, several common issues may be at play. One of the primary culprits is a faulty cruise control switch, which can hinder the system's ability to engage or disengage as intended. Additionally, problems with the speed sensor can disrupt the system's capacity to maintain a consistent speed, leading to erratic performance. Another frequent issue is a malfunctioning brake light switch; if this component fails, it may cause the cruise control to disengage unexpectedly, even when the brakes are not applied. Furthermore, a failing throttle actuator can prevent the cruise control from adjusting the throttle position correctly, impacting its overall functionality. Lastly, electrical problems, such as wiring issues or faults within the system, can interfere with communication between components, resulting in a complete failure of the cruise control system. For those looking to diagnose these issues, it is crucial to conduct a thorough inspection and consider consulting a qualified mechanic for repairs to ensure the cruise control system is restored to proper working order.

How urgent is it to address the malfunctioning cruise control in a 2013 Audi A7 Quattro?

When it comes to a malfunctioning cruise control system in a 2013 Audi A7 Quattro, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to erratic speed changes, posing significant safety risks, especially during highway driving where maintaining a consistent speed is crucial. Additionally, such malfunctions may signal deeper electronic system or sensor issues, which could compromise the vehicle's overall performance and safety. Ignoring these symptoms not only increases the likelihood of fuel inefficiency but can also lead to further damage to other vehicle components, resulting in more costly repairs down the line. For DIY enthusiasts, it is essential to recognize that timely diagnosis and repair of cruise control problems can prevent complications and enhance the driving experience. Therefore, if you notice any irregularities with your cruise control, it is advisable to investigate the issue promptly to ensure both your safety and the longevity of your vehicle.

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