2013 Audi S4 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Audi S4 and How to Fix Them

Find Repair Location
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 S4 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 S4 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 steps should I take to diagnose the non-functioning cruise control in my 2013 Audi S4?

To effectively diagnose the non-functioning cruise control in your 2013 Audi S4, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control operation. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as faulty switches can inhibit cruise control activation. Finally, inspect the wiring and connections for any damage or corrosion that could affect the system. If these steps do not resolve the issue, consulting a mechanic with experience in Audi vehicles may be necessary for a more thorough diagnosis and repair. This methodical approach not only helps in identifying the problem but also empowers you to tackle the issue with confidence.

What are the common issues that could cause the cruise control to stop working in a 2013 Audi S4?

When the cruise control in a 2013 Audi S4 ceases to function, several common issues may be at play. One of the primary culprits is a faulty brake light switch, which is crucial for the system's operation as it disengages cruise control when the brake pedal is pressed. Additionally, problems with the speed sensor can hinder the cruise control's ability to maintain a steady speed, leading to its failure. Another potential issue is vacuum leaks within the system, which can disrupt the necessary pressure for proper operation. A defective cruise control module may also be responsible for the malfunction, as it is the central component that controls the system. Lastly, electrical issues, such as blown fuses or damaged wiring, can significantly impact the functionality of the cruise control. By understanding these common problems, DIYers can effectively troubleshoot and resolve the cruise control issues in their Audi S4, restoring the convenience of this feature.

How urgent is it to address the non-functioning cruise control in a 2013 Audi S4?

When it comes to a non-functioning cruise control in your 2013 Audi S4, addressing the issue promptly is essential for maintaining both comfort and safety on the road. While it may not seem like an immediate emergency, neglecting this problem can lead to a less enjoyable driving experience, particularly during long trips where maintaining a steady speed is crucial. Furthermore, a malfunctioning cruise control system could be a symptom of deeper electronic issues within your vehicle, which, if left unchecked, might escalate into more significant problems that could compromise your car's performance. By prioritizing the diagnosis and repair of your cruise control system, you not only enhance your driving comfort but also prevent potential complications that could arise from ignoring the issue. Therefore, if you're considering a DIY approach, it's wise to investigate the underlying causes of the malfunction and seek professional assistance if necessary, ensuring your Audi S4 remains in optimal condition for all your driving needs.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.