2013 Audi A3 Quattro Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Audi A3 Quattro and How to Fix Them

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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 2013 Audi A3 Quattro 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 A3 Quattro 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2013 Audi A3 Quattro?

When troubleshooting the non-functioning cruise control in a 2013 Audi A3 Quattro, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can often be the simplest explanation for the malfunction. Next, inspect the cruise control switch located on the steering wheel for any visible signs of damage or wear, as this component is crucial for activating the system. Ensure that the cruise control system is enabled in the vehicle's settings, as sometimes it may be inadvertently turned off. Additionally, examine the vehicle's speed sensors, which play a vital role in providing accurate data to the cruise control system; any malfunction here can prevent proper operation. Utilizing an onboard diagnostic scanner to check for error codes can also provide valuable insights into any underlying issues. Finally, inspect the wiring connections related to the cruise control system for any loose or damaged wires, as these can disrupt the electrical flow necessary for the system to function. By following these steps, you can effectively narrow down the potential causes of the cruise control issue and take appropriate action to resolve it.

What are the common problems that could cause the cruise control to stop working in a 2013 Audi A3 Quattro?

When the cruise control in your 2013 Audi A3 Quattro ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty cruise control switch, which may prevent the system from engaging or disengaging as intended. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a consistent speed, leading to erratic performance. Another common problem is a malfunctioning brake light switch; if this switch fails, it can cause the cruise control to disengage unexpectedly whenever the brakes are applied. Furthermore, a failing throttle actuator can hinder the cruise control's ability to adjust the throttle position correctly, impacting its overall functionality. Lastly, electrical problems such as wiring issues or blown fuses can also affect the cruise control system. While some of these issues may be manageable for a DIY repair, it is often advisable to consult a qualified mechanic for a thorough diagnosis and repair to ensure the cruise control operates smoothly again.

How urgent is it to address the non-functioning cruise control in my 2013 Audi A3 Quattro?

Addressing the non-functioning cruise control in your 2013 Audi A3 Quattro is crucial for several reasons. First and foremost, safety is paramount; a malfunctioning cruise control system can lead to erratic speed control, increasing the risk of accidents, especially on long drives where driver fatigue is a concern. Additionally, the convenience of cruise control cannot be overstated, as it allows for a more relaxed driving experience by maintaining a steady speed without constant manual adjustments. Ignoring this issue may also uncover deeper mechanical problems within your vehicle, which could escalate into more significant and costly repairs if left unattended. Therefore, it is essential to prioritize the inspection and repair of your cruise control system to ensure both your safety and the overall performance of your Audi A3 Quattro.

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