2017 Audi S3 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Audi S3 and How to Fix Them

Find Repair Location
Reviewed by
Devin Cabugcal
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 2017 Audi S3 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 2017 Audi S3 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 2017 Audi S3?

To effectively diagnose the non-functioning cruise control in your 2017 Audi S3, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily rectifiable issue. Next, examine the cruise control buttons on your 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 sensors on the wheels, since faulty sensors 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 malfunctioning switches can disable the cruise control feature. Finally, inspect the wiring connections associated with the cruise control system for any loose or damaged wires, as poor connections can lead to system failure. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2017 Audi S3?

When the cruise control in a 2017 Audi S3 ceases to function, several common problems may be at play. One of the primary culprits could be a faulty cruise control switch, which is essential for engaging the system. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a consistent speed, leading to malfunction. Another frequent issue arises from a malfunctioning brake light switch; if this switch fails, it may cause the cruise control to disengage unexpectedly whenever the brakes are applied. Furthermore, problems with the throttle actuator can hinder the system's ability to adjust the throttle position accurately, impacting performance. Electrical problems, such as blown fuses or wiring issues, can also contribute to cruise control failure, as can software glitches within the vehicle's onboard computer system. By understanding these potential issues, DIYers can effectively troubleshoot and address the cruise control problems in their Audi S3, restoring functionality and enhancing their driving experience.

How urgent is it to address the non-functioning cruise control in a 2017 Audi S3?

When considering the urgency of addressing a non-functioning cruise control in a 2017 Audi S3, it is crucial to recognize the potential implications of neglecting this issue. While it may not seem like an immediate emergency, a malfunctioning cruise control system can indicate deeper electronic or sensor-related problems that could compromise the vehicle's overall safety and performance. The convenience of cruise control, especially during long drives, not only enhances driver comfort but also contributes to better fuel efficiency. Ignoring this malfunction could lead to increased driver fatigue and a heightened risk of accidents, particularly on highways where maintaining a steady speed is essential. Therefore, it is advisable to have the system inspected by a qualified mechanic as soon as possible to prevent further complications and ensure the reliability of your Audi S3. Addressing this issue promptly not only safeguards your driving experience but also helps maintain the vehicle's long-term performance.

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.

Troubleshooting 2017 Audi S3 Cruise Control Problems