2024 Audi S4 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2024 Audi S4

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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 2024 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.

What steps should I take to diagnose the non-functioning cruise control in my 2024 Audi S4?

When diagnosing the non-functioning cruise control in your 2024 Audi S4, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can hinder engagement. Following this, verify the speed sensors, as any malfunction here can directly affect the cruise control system's performance. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into specific issues that may be present. Additionally, examine the brake and clutch switches, as these components must function correctly for the cruise control to activate. Lastly, inspect the wiring and connections for any signs of damage or corrosion, which can disrupt the system's functionality. If these steps do not resolve the issue, consulting a professional mechanic or an authorized Audi service center is advisable for a comprehensive diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address the root cause of your cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2024 Audi S4?

When the cruise control in your 2024 Audi S4 ceases to function, it can be frustrating, especially if you enjoy the convenience it offers during long drives. One of the most frequent culprits is a faulty cruise control switch, which may fail to engage or disengage the system properly. Additionally, issues with the speed sensor can disrupt the system's ability to maintain your desired speed, leading to erratic performance. Another common problem is a malfunctioning brake light switch; if this switch is faulty, it may cause the cruise control to disengage unexpectedly whenever you apply the brakes. Furthermore, the throttle actuator plays a crucial role in adjusting your vehicle's speed, and any failure here can hinder the cruise control's effectiveness. Lastly, don't overlook potential electrical problems, such as wiring issues, which can significantly impact the operation of the cruise control system. While some of these issues may be manageable for a DIY enthusiast, it’s advisable to consult a qualified mechanic for a thorough diagnosis and repair to ensure your cruise control is restored to full functionality.

How urgent is it to address the malfunctioning cruise control in my 2024 Audi S4?

Addressing a malfunctioning cruise control in your 2024 Audi S4 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When cruise control fails, it can lead to unpredictable vehicle behavior, increasing the risk of accidents on the road. Moreover, neglecting this issue can exacerbate the problem, potentially causing damage to other vehicle systems, which could result in more extensive and costly repairs down the line. By ensuring that your cruise control is functioning properly, you not only enhance your driving comfort and efficiency but also contribute to a safer driving environment for yourself and others. Therefore, it is essential to prioritize the repair of your cruise control system to avoid these serious consequences and maintain the overall performance of your vehicle.

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