2012 Audi A7 Quattro Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Audi A7 Quattro and How to Fix Them

Find Repair Location
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 2012 Audi A7 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 2012 Audi A7 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 2012 Audi A7 Quattro?

When troubleshooting the non-functioning cruise control in a 2012 Audi A7 Quattro, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse in the fuse box to ensure it is intact; a blown fuse can easily disrupt the system. Next, verify that the cruise control settings are correctly configured and activated, as incorrect settings can prevent engagement. Utilizing a diagnostic scanner to check for error codes can provide 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 crucial for operation. It’s also important to test the brake pedal switch, as a faulty or misaligned switch can inhibit cruise control functionality. Lastly, ensure that the vehicle speed sensor is working properly, since a malfunctioning sensor can lead to cruise control problems. By systematically following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Audi A7 Quattro.

What are the common problems that could cause the cruise control to stop working in a 2012 Audi A7 Quattro?

When troubleshooting the cruise control system in a 2012 Audi A7 Quattro, it's essential to understand the common problems that may lead to its malfunction. One frequent issue is a faulty cruise control switch, which can hinder the system's ability to engage or disengage properly. Additionally, a malfunctioning speed sensor can disrupt the system's capacity to maintain a set speed, leading to erratic behavior. Another critical component is the brake light switch; if this switch fails, it may cause the cruise control to disengage unexpectedly when the brakes are applied, creating a safety concern. Furthermore, a failure in the throttle actuator can prevent the cruise control from adjusting the throttle position accurately, impacting performance. Lastly, electrical problems, such as blown fuses or wiring issues, can also contribute to cruise control failure. By identifying and addressing these potential issues, you can effectively troubleshoot and restore functionality to the cruise control system in your Audi A7 Quattro.

How urgent is it to address the malfunctioning cruise control in a 2012 Audi A7 Quattro?

When it comes to the malfunctioning cruise control in a 2012 Audi A7 Quattro, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk to both the driver and others on the road. Additionally, these cruise control problems may be symptomatic of deeper electronic or sensor issues within the vehicle, potentially affecting overall drivability and performance. Ignoring these symptoms not only increases the likelihood of erratic driving experiences but can also lead to higher fuel consumption and further damage to critical vehicle components. By promptly diagnosing and repairing the cruise control system, you can prevent more severe complications and costly repairs in the future, ensuring that your Audi A7 remains reliable and safe for everyday use. Therefore, it is crucial to take immediate action when faced with cruise control malfunctions to maintain the integrity and performance of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.