2015 BMW M5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 BMW M5 and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 2015 BMW M5 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 2015 BMW M5 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 2015 BMW M5?

To effectively diagnose the non-functioning cruise control in your 2015 BMW M5, 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, as a blown fuse is a common and easily rectifiable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can hinder functionality. Following this, verify the speed sensor's performance, since a faulty sensor can disrupt the cruise control system. It's also essential to check the brake pedal switch, which is integral to cruise control operation; if this switch is not functioning correctly, it can prevent the system from engaging. Utilizing a diagnostic scanner to scan for error codes can provide valuable insights into any underlying issues. Lastly, inspect the wiring and connections associated with the cruise control system for any signs of damage or loose connections, as these can also lead to operational failures. 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 2015 BMW M5?

When dealing with cruise control issues in a 2015 BMW M5, it's crucial to understand the common problems that may arise. One of the first indicators of a malfunction is the appearance of a warning light on the dashboard, which signals that the vehicle's system has detected an issue. A failing ABS module is another frequent culprit, as it can disrupt the cruise control functionality by sending incorrect signals to the system. Additionally, the cruise control may deactivate if the car's safety mechanisms identify any unsafe conditions, preventing its use until the underlying problem is addressed. By being aware of these potential issues, DIY enthusiasts can take the necessary steps to troubleshoot and restore the cruise control system to proper working order, ensuring a safer and more enjoyable driving experience.

How urgent is it to address the malfunctioning cruise control in a 2015 BMW M5?

When it comes to a malfunctioning cruise control system in a 2015 BMW M5, addressing the issue should be a priority for any DIY enthusiast. While it may not seem like an immediate emergency, the implications of ignoring warning signs can lead to more significant problems down the line. Common indicators of a malfunction, such as dashboard warning lights, should not be overlooked, as they often signal underlying issues that could affect other critical systems in your vehicle, including safety features like ABS and throttle control. Delaying repairs can not only diminish your driving comfort on long journeys but also compromise your vehicle's ability to maintain a steady speed, which is essential for safe driving. By tackling these issues promptly, you can avoid the inconvenience of a complete system failure and ensure that your BMW M5 remains a reliable and enjoyable vehicle to drive. Therefore, if you notice any signs of malfunction, it is advisable to investigate and address the problem sooner rather than later to maintain optimal performance and safety.

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.