2016 Audi TT Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2016 Audi TT Quattro

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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 2016 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 2016 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 non-functioning cruise control in a 2016 Audi TT Quattro?

When diagnosing the non-functioning cruise control in a 2016 Audi TT Quattro, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the cruise control fuse, as a blown fuse is a straightforward fix that can often resolve the problem. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can hinder functionality. Utilizing an OBD-II scanner to check for error codes is a crucial step, as it can reveal specific issues within the cruise control system. Following this, assess the vehicle's speed sensors, which are vital for cruise control engagement; faulty sensors can prevent the system from working altogether. Additionally, verify the brake and clutch switches, as these components are designed to disable cruise control for safety reasons if they are not functioning correctly. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as compromised wiring can disrupt the system's operation. By methodically following these steps, you can effectively diagnose and address the issues affecting the cruise control in your Audi TT Quattro.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi TT Quattro?

When troubleshooting the cruise control system in a 2016 Audi TT Quattro, it's essential to understand the common problems that may lead to its malfunction. One prevalent issue is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, the brake light switch plays a crucial role; if it malfunctions, it may incorrectly signal the cruise control to deactivate when the brakes are applied. Another potential culprit is the throttle actuator, which is responsible for adjusting the throttle position; any issues here can disrupt the cruise control's functionality. Furthermore, a defective cruise control module can render the entire system inoperative, necessitating repair or replacement. Lastly, electrical problems such as wiring faults or blown fuses can also impede the cruise control's operation. For a thorough diagnosis and effective resolution, it is advisable to consult a qualified mechanic who can pinpoint the specific issue affecting your vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in my 2016 Audi TT Quattro?

When your 2016 Audi TT Quattro's cruise control stops functioning, it’s essential to recognize the urgency of the situation. While it may not seem like an immediate emergency, a malfunctioning cruise control can signal deeper electronic issues that could compromise your vehicle's overall performance. Ignoring this problem could lead to increased driver fatigue during long drives, as you lose the convenience of maintaining a steady speed, which is crucial for comfort and fuel efficiency. Moreover, the underlying cause of the cruise control failure might affect other critical systems in your car, potentially leading to more severe and costly repairs down the line. Therefore, it is advisable to diagnose and address the issue promptly, either through a DIY approach or by consulting a qualified mechanic. Taking action not only ensures your safety on the road but also helps maintain the integrity of your vehicle, preventing further complications that could arise from neglecting this seemingly minor issue.

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