2011 Audi TT Quattro Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2011 Audi TT Quattro and How to Fix Them

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Reviewed by
Bo Fader
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 2011 Audi TT 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 2011 Audi TT 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 cruise control issue in a 2011 Audi TT Quattro?

When diagnosing a cruise control issue in a 2011 Audi TT Quattro, 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 faulty buttons can lead to engagement issues. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying problems, allowing you to target specific components that may be malfunctioning. Additionally, examining the speed sensors is crucial, as these sensors play a vital role in the cruise control system's ability to function correctly. Don't overlook the brake and clutch switches, as any malfunction here can disable the cruise control entirely. Finally, inspect the wiring and connections for any signs of damage or looseness, as these can significantly impact the system's performance. By following this structured diagnostic approach, you can effectively identify and resolve cruise control issues in your Audi TT Quattro.

What are the common problems that could cause the cruise control to stop working in a 2011 Audi TT Quattro?

When dealing with cruise control issues in a 2011 Audi TT Quattro, it's essential to understand the common problems that may arise. One of the primary culprits is a faulty brake pedal switch, which is crucial for the system's operation as it disengages cruise control when the brake is applied. Additionally, speed sensor malfunctions can disrupt the system since accurate speed readings are vital for cruise control functionality. Another potential issue is vacuum leaks within the cruise control system, which can significantly impair its performance. Furthermore, a defective cruise control module may also be responsible for the failure, as it controls the system's operations. Lastly, electrical problems, including blown fuses or wiring issues, can hinder the cruise control's ability to function properly. By identifying and addressing these common problems, DIYers can effectively troubleshoot and restore the cruise control system in their Audi TT Quattro.

How urgent is it to address the non-functioning cruise control in a 2011 Audi TT Quattro?

When considering the urgency of fixing a non-functioning cruise control in a 2011 Audi TT Quattro, it is crucial to recognize the potential safety risks involved. A malfunctioning cruise control can lead to erratic speed changes, which may compromise your control over the vehicle, especially during long drives on highways. This unpredictability not only increases the risk of accidents but can also lead to driver fatigue, as the system is designed to alleviate the strain of maintaining speed over extended periods. Furthermore, neglecting this issue can have financial implications; a well-maintained cruise control system contributes to the overall resale value of your vehicle. By addressing the problem promptly, you not only enhance your driving experience but also protect your investment in the long run. Therefore, while it may not seem like an immediate emergency, the importance of timely repairs cannot be overstated, as they play a vital role in ensuring safety, comfort, and the longevity of your Audi TT Quattro.

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