2020 BMW 750i XDrive Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2020 BMW 750i xDrive and How to Fix Them

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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 2020 BMW 750i xDrive 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 2020 BMW 750i xDrive 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 take when the cruise control isn't working on a 2020 BMW 750i xDrive?

When faced with a malfunctioning cruise control system in your 2020 BMW 750i xDrive, it's crucial to approach the diagnosis methodically. Start by checking the cruise control fuse, as a blown fuse can often be the simplest explanation for the issue. Next, verify the functionality of the speed sensors, which are vital for the cruise control to engage properly. If these components are in good condition, inspect the brake pedal switch; a faulty switch can inadvertently disable the cruise control. Additionally, examine the steering wheel controls to ensure that the activation buttons are not damaged or stuck. Utilizing a diagnostic scanner to check for error codes can provide further insights into any underlying issues. Finally, inspect the wiring connections associated with the cruise control system for any signs of damage or looseness. By following these steps, you can effectively narrow down the potential causes of the cruise control malfunction and take the necessary actions to resolve it.

What are the common problems that could cause the cruise control to stop working in a 2020 BMW 750i xDrive?

When the cruise control in a 2020 BMW 750i xDrive ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which is crucial for the system to accurately gauge the vehicle's speed; if this sensor malfunctions, the cruise control may fail to engage or maintain the desired speed. Additionally, issues with the brake light switch can disrupt the system, as it is designed to deactivate when the brake pedal is pressed. A malfunctioning switch may prevent the cruise control from activating or cause it to disengage unexpectedly. Another potential issue lies with the throttle actuator, which regulates the engine's throttle opening; if this component is not working correctly, it can hinder the cruise control's ability to maintain a steady speed. Furthermore, a defective cruise control module can interfere with communication between the control unit and other system components, leading to operational failures. Lastly, electrical problems such as wiring issues or blown fuses can also contribute to the cruise control's malfunction. By understanding these common issues, DIY enthusiasts can better diagnose the problem and take appropriate steps to restore functionality to their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2020 BMW 750i xDrive?

When it comes to the non-functioning cruise control in your 2020 BMW 750i xDrive, understanding the urgency of the situation is crucial for both safety and vehicle performance. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system can indicate underlying issues within your vehicle's electronic or mechanical systems, which, if left unaddressed, could compromise your car's overall functionality and safety. For DIY enthusiasts, it’s essential to recognize that the cruise control system is not just a convenience; it plays a vital role in maintaining a steady speed, which can help reduce driver fatigue during long journeys and improve fuel efficiency. Therefore, if you notice any irregularities, such as the system not engaging or disengaging unexpectedly, it’s advisable to conduct a thorough inspection or consult a professional. Taking prompt action not only ensures your safety on the road but also prevents potential damage that could arise from ignoring the symptoms. Prioritizing the repair of your cruise control system will ultimately enhance your driving experience and maintain the integrity of your BMW.

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2020 BMW 750i xDrive Cruise Control Issues & Repairs