2019 Audi TTS Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2019 Audi TTS Quattro

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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 2019 Audi TTS 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 2019 Audi TTS 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 steps should I take to diagnose the cruise control issue in my 2019 Audi TTS Quattro?

When diagnosing the cruise control issue in your 2019 Audi TTS 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, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. Following this, verify the speed sensor's performance, as it is critical for the cruise control system to function correctly. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, examine the wiring connections associated with the cruise control system for any signs of damage or loose connections, as these can also impede functionality. Finally, test the cruise control module itself, as a malfunctioning module is a common culprit in such scenarios. If these steps do not resolve the issue, seeking assistance from a professional mechanic or an authorized Audi service center is advisable for a comprehensive diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Audi TTS Quattro?

When the cruise control in a 2019 Audi TTS Quattro ceases to function, several common issues may be at play. One primary culprit could be a faulty speed sensor, which is essential for the cruise control system to accurately gauge the vehicle's speed; if this sensor malfunctions, the system may fail to engage or maintain speed. Additionally, problems with the brake light switch can disrupt the cruise control, as this switch is designed to deactivate the system when the brakes are applied. Another potential issue lies within the throttle control system; a malfunctioning throttle position sensor can hinder the cruise control's ability to sustain a constant speed. Electrical problems, such as blown fuses or wiring issues, can also affect the cruise control's performance. Lastly, software glitches in the vehicle's onboard computer may lead to unexpected malfunctions. By understanding these common problems, DIY enthusiasts can better diagnose the issue and take appropriate steps to restore the cruise control functionality in their Audi TTS Quattro.

How urgent is it to address the non-functioning cruise control in a 2019 Audi TTS Quattro?

Addressing the non-functioning cruise control in a 2019 Audi TTS Quattro is crucial for both safety and vehicle performance. When cruise control fails, it not only diminishes the convenience of maintaining a steady speed during long drives but may also signal deeper electronic or sensor issues that could compromise other vehicle functions. Ignoring this problem can lead to increased driver fatigue, as the driver must constantly monitor speed, which can be particularly taxing on long journeys. Moreover, a malfunctioning cruise control system could be indicative of a more significant underlying issue that, if left unresolved, may escalate into costly repairs or even pose safety hazards on the road. Therefore, it is essential to prioritize the repair of the cruise control system to ensure the vehicle operates reliably and safely, ultimately preserving the driving experience and preventing further complications.

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