2015 BMW 750i XDrive Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 BMW 750i xDrive and How to Fix Them

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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 2015 BMW 750i xDrive 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 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 steps to diagnose the non-functioning cruise control in a 2015 BMW 750i xDrive?

To effectively diagnose the non-functioning cruise control in your 2015 BMW 750i xDrive, start with a methodical approach that emphasizes simplicity and thoroughness. Begin by checking the fuse box for any blown fuses related to the cruise control system, as this is a common and easily fixable issue. Next, inspect the vehicle's battery to ensure it is in good working condition, since battery problems can sometimes interfere with electronic systems. Following this, examine the speed sensor; a dirty or malfunctioning sensor can disrupt the cruise control's operation, so ensure it is clean and functioning properly. Additionally, inspect the wiring connected to the cruise control system for any signs of damage or loose connections, as these can lead to failures. Finally, take a look at the throttle control to check for any dirt or damage that might be affecting its performance. By systematically addressing these areas, you can effectively identify and resolve the issues with your cruise control system.

How urgent is it to address the non-functioning cruise control in a 2015 BMW 750i xDrive?

Addressing the non-functioning cruise control in a 2015 BMW 750i xDrive is an urgent matter that should not be overlooked. A malfunctioning cruise control system can significantly compromise safety, particularly during long drives where driver fatigue is a concern. The inability to maintain a steady speed can lead to erratic driving behavior, increasing the risk of accidents. Additionally, neglecting this issue can affect the vehicle's overall performance, potentially leading to problems with acceleration and speedometer accuracy, which can further detract from the driving experience. Promptly diagnosing and fixing the cruise control malfunction is also crucial for identifying any underlying issues that may affect other vehicle systems, preventing more extensive and costly repairs in the future. Moreover, restoring the functionality of cruise control enhances driving comfort, making long trips less tiring and more enjoyable. Therefore, it is essential to prioritize the repair of a non-functioning cruise control system to ensure safety, maintain performance, and enhance overall driving convenience.

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