2012 Tesla S Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2012 Tesla S

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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 2012 Tesla S 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2012 Tesla S?

When troubleshooting the non-functioning cruise control in a 2012 Tesla Model S, start by checking the cruise control settings on the touchscreen display to ensure it is activated and configured correctly. Next, confirm that your vehicle is traveling at a speed that falls within the operational range for cruise control activation, as this is a common oversight. Inspect the cruise control buttons on the steering wheel for any signs of physical damage or malfunction, as these can directly impact functionality. Additionally, look for any error messages or warnings on the dashboard that may indicate a problem with the cruise control system. It’s also crucial to ensure that your vehicle's software is up to date, as outdated software can lead to glitches affecting various systems, including cruise control. If, after performing these checks, the cruise control still does not operate, it may be time to consult a certified Tesla technician for a more in-depth diagnosis and repair. By following these steps, you can effectively troubleshoot the issue and potentially resolve it without professional help.

What are the common problems that could cause the cruise control to stop working in a 2012 Tesla S?

When the cruise control in a 2012 Tesla Model S ceases to function, several common problems may be at play. One frequent issue is a software glitch, which can disrupt the vehicle's electronic systems and prevent cruise control from operating correctly. Additionally, sensor malfunctions can hinder the system's ability to maintain speed and distance, as these sensors are crucial for its functionality. Another potential culprit is a faulty cruise control module, which is responsible for processing the commands related to speed control. Electrical problems, such as wiring issues or blown fuses, can also interfere with the cruise control system, leading to unexpected failures. Lastly, a malfunctioning brake light switch can disengage the cruise control when the brakes are applied, causing it to stop working altogether. Understanding these common issues can help DIY enthusiasts diagnose the problem more effectively and determine whether they can resolve it themselves or if they need to consult a qualified technician for repairs.

How urgent is it to address the malfunctioning cruise control in a 2012 Tesla S?

When dealing with a malfunctioning cruise control in a 2012 Tesla Model S, it is essential to recognize the urgency of the situation. Ignoring this issue can lead to serious safety risks, as a faulty cruise control system may cause unexpected acceleration or deceleration, increasing the likelihood of accidents. Additionally, a malfunctioning system can significantly detract from your driving experience, making long trips uncomfortable and inconvenient. Beyond immediate safety concerns, neglecting the problem could result in further damage to the vehicle's electronic systems, leading to more extensive and costly repairs down the line. Therefore, it is highly advisable to consult the manufacturer's guidelines or reach out to a certified Tesla service center as soon as possible to address the malfunction. Taking prompt action not only ensures your safety but also helps maintain the overall performance and longevity of your vehicle.

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