2014 Audi A4 Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2014 Audi A4 Quattro

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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 2014 Audi A4 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 2014 Audi A4 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-functional cruise control in a 2014 Audi A4 Quattro?

When faced with a non-functional cruise control in a 2014 Audi A4 Quattro, it's crucial to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest explanation for the malfunction. Next, ensure that the cruise control settings are correctly configured and activated, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these controls are essential for operation. It's also important to test the brake pedal switch, since a faulty switch can inhibit the cruise control from functioning properly. Lastly, verify the vehicle speed sensor's performance, as a malfunctioning sensor can disrupt the cruise control system's ability to maintain speed. By following these steps, you can effectively diagnose and address the issues with your cruise control system, potentially saving time and money on repairs.

What are the common problems that could cause the cruise control to stop working in a 2014 Audi A4 Quattro?

When troubleshooting the cruise control system in a 2014 Audi A4 Quattro, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Additionally, issues with the speed sensor can disrupt the cruise control's functionality, as the system relies on accurate speed readings to maintain the desired speed. Another potential issue is vacuum leaks within the cruise control system, which can significantly affect its operation. Furthermore, a defective cruise control module may also be responsible for the malfunction, as it controls the system's overall functionality. Lastly, electrical problems, such as blown fuses or wiring issues, can impede the cruise control system's performance. By identifying and addressing these common issues, you can effectively restore the cruise control functionality in your Audi A4 Quattro.

How urgent is it to address the non-functioning cruise control in a 2014 Audi A4 Quattro?

When it comes to a non-functioning cruise control in a 2014 Audi A4 Quattro, the urgency of addressing this issue cannot be overstated. While it may not seem like an immediate emergency, neglecting the problem can lead to a cascade of complications that affect both safety and vehicle performance. A malfunctioning cruise control system often signals deeper issues within the vehicle's electronics or sensors, which could compromise other critical systems. This is particularly concerning as it may lead to erratic vehicle behavior, increasing the risk of accidents. Moreover, without the ability to maintain a steady speed, drivers may experience increased fatigue on long journeys, making the driving experience less enjoyable and more taxing. Additionally, inconsistent speed control can result in higher fuel consumption, ultimately impacting your wallet. Therefore, it is advisable for DIY enthusiasts to diagnose the issue promptly, as addressing it early can prevent further damage and ensure a safer, more efficient driving experience. If you're not comfortable with the technical aspects, consulting a qualified mechanic or dealership is a wise choice to restore your cruise control functionality effectively.

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