2010 Audi A5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Audi A5 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 2010 Audi A5 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 2010 Audi A5 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 steps to diagnose the non-functioning cruise control in a 2010 Audi A5?

When diagnosing the non-functioning cruise control in a 2010 Audi A5, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a straightforward fix that can often resolve the issue. Next, examine the cruise control buttons on the steering wheel for any signs of damage or obstruction; cleaning them can sometimes restore functionality. Following this, verify the operation of the speed sensors, as they play a crucial role in the cruise control system's performance. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying problems. Additionally, inspect the brake and clutch switches, as faulty switches can inhibit cruise control engagement. It's also important to examine the wiring and connections for any damage or corrosion, ensuring that everything is secure. Finally, test the cruise control module itself, as a malfunction here may require repair or replacement. By following this structured diagnostic approach, you can effectively identify and address the issues affecting your Audi A5's cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2010 Audi A5?

When troubleshooting the cruise control system in a 2010 Audi A5, it's essential to understand the common problems that may lead to its malfunction. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to erratic behavior or complete failure. Another potential issue is vacuum leaks, which can interfere with the cruise control's performance by preventing it from maintaining speed effectively. Furthermore, a defective cruise control module may also be responsible for the system's inability to function correctly. Lastly, electrical problems, such as blown fuses or wiring issues, can significantly impact the cruise control system. By identifying and addressing these common problems, you can effectively diagnose and resolve issues with the cruise control in your Audi A5, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2010 Audi A5?

Addressing a non-functioning cruise control in a 2010 Audi A5 is crucial for both safety and vehicle performance. When this feature fails, it may not only lead to driver inconvenience during long trips but could also signal deeper issues within the vehicle's electronic systems or sensors. Ignoring this problem can escalate into more significant repairs, potentially affecting other critical systems and compromising overall safety. Moreover, a malfunctioning cruise control can increase driver fatigue, as maintaining speed manually becomes more taxing, especially on highways. By prioritizing the diagnosis and repair of the cruise control, you not only enhance your driving experience but also prevent further damage that could lead to higher repair costs down the line. Therefore, it is advisable to address this issue promptly to ensure the continued functionality and safety of your Audi A5.

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.