2023 Audi S5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2023 Audi S5 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 2023 Audi S5 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 2023 Audi S5 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 cruise control issue in my 2023 Audi S5?

When diagnosing a cruise control issue in your 2023 Audi S5, 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 problem that can disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can lead to control issues. If these initial checks do not resolve the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific faults within the cruise control system. Following this, examine the speed sensors, as faulty sensors can prevent the cruise control from maintaining a consistent speed. Additionally, verify that the brake and clutch switches are functioning correctly, since defective switches can disable the cruise control as a safety precaution. Finally, if all else fails, test the cruise control module to ensure it is sending the appropriate signals to the throttle. By following this structured diagnostic approach, you can effectively identify and address the underlying issues affecting your vehicle's cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2023 Audi S5?

When troubleshooting cruise control issues in a 2023 Audi S5, it's essential to recognize the common problems that may lead to its failure. A faulty cruise control switch is often a primary suspect, as it can prevent the system from engaging or disengaging correctly. Additionally, if the speed sensor malfunctions, the cruise control may struggle to maintain a consistent speed, which can be frustrating during long drives. Another potential issue is a defective brake light switch; if this component fails, it may cause the cruise control to disengage unexpectedly whenever the brakes are applied. Throttle control problems can also hinder the cruise control's ability to maintain speed effectively, leading to erratic performance. Lastly, electrical issues, such as blown fuses or wiring problems, can disrupt the entire cruise control system. By understanding these common issues, you can better assess whether a DIY repair is feasible or if you should seek professional help to restore your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in a 2023 Audi S5?

When it comes to a malfunctioning cruise control system in your 2023 Audi S5, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which poses a significant safety risk not only to you but also to other road users. Ignoring these symptoms can result in dangerous driving conditions and increase the likelihood of accidents. Moreover, delaying repairs may exacerbate the problem, potentially leading to more extensive damage to the vehicle's electronic systems or mechanical components, which could translate into costly repairs down the line. For those considering a DIY approach, it’s crucial to recognize the complexity of modern vehicle systems; thus, while troubleshooting can be a rewarding endeavor, consulting with a certified Audi technician or dealership is advisable to ensure that the issue is diagnosed and resolved correctly. Taking prompt action not only enhances your safety but also preserves the integrity and performance of your Audi S5.

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 2023 Audi S5 Cruise Control Issues