2016 Audi A3 Sportback E-tron Cruise Control Isn't Working

Fixing Cruise Control Malfunctions in 2016 Audi A3 Sportback e-tron

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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 2016 Audi A3 Sportback e-tron 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 A3 Sportback e-tron 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 non-functioning cruise control in my 2016 Audi A3 Sportback e-tron?

To effectively diagnose the non-functioning cruise control in your 2016 Audi A3 Sportback e-tron, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can often resolve the issue. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can hinder functionality. If the buttons appear to be in good condition, proceed to verify the speed sensors, which are essential for the cruise control system to operate correctly. Utilizing an OBD-II scanner can provide insights into any error codes that may indicate specific problems within the system. Additionally, check the wiring connections associated with the cruise control for any loose or damaged wires, as these can disrupt the system's operation. Finally, if all previous checks are clear, test the cruise control module itself, as a malfunctioning module may require replacement or repair. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi A3 Sportback e-tron?

When your 2016 Audi A3 Sportback e-tron’s cruise control stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty speed sensor, which is essential for the cruise control system to accurately gauge your vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another common issue is related to the brake light switch; if this switch is defective, it can send incorrect signals to the cruise control system, causing it to disengage unexpectedly. Additionally, a malfunctioning throttle actuator can hinder the cruise control's ability to maintain speed, as it directly controls the engine's throttle. Electrical problems, such as blown fuses or wiring issues, can also disrupt the cruise control functionality, as can software glitches within the vehicle's onboard computer. By identifying these potential problems, you can take the first steps toward troubleshooting and possibly fixing the cruise control system yourself, or at least provide valuable information to a mechanic for a more efficient repair.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi A3 Sportback e-tron?

Addressing a malfunctioning cruise control in a 2016 Audi A3 Sportback e-tron is of utmost importance due to the immediate safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions not only for the driver but also for other road users. Furthermore, the convenience and enjoyment of using cruise control are significantly diminished when the system is not functioning properly, detracting from the overall driving experience. Ignoring these symptoms can lead to more severe issues, potentially causing damage to other vehicle components and resulting in costly repairs down the line. Therefore, it is crucial to prioritize the diagnosis and repair of cruise control malfunctions to ensure both safety and the longevity of your vehicle.

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2016 Audi A3 Sportback e-tron Cruise Control Issues & Fixes