2017 BMW 750i Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2017 BMW 750i

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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 2017 BMW 750i 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 2017 BMW 750i 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 2017 BMW 750i?

To effectively diagnose the non-functioning cruise control in a 2017 BMW 750i, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the root cause of the issue. Next, inspect the cruise control buttons on the steering wheel for any signs of sticking or malfunction, which can prevent proper engagement. Utilizing a diagnostic scanner to check for error codes related to the cruise control system can provide valuable insights into specific problems. Additionally, verify the functionality of the vehicle's speed sensors, as faulty sensors can disrupt the system's ability to maintain speed. It's also crucial to ensure that the brake and clutch switches are operating correctly, as any faults here can inhibit cruise control engagement. Finally, testing the cruise control module itself can help determine if it is functioning as intended. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting the cruise control system in your BMW.

What are the common problems that could cause the cruise control to stop working in a 2017 BMW 750i?

When troubleshooting the cruise control system in a 2017 BMW 750i, it's essential to understand the common problems that may lead to its malfunction. One of the primary culprits is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, issues with the brake light switch can disrupt the cruise control's operation, as this system relies on signals from the switch to function correctly. Another potential issue is a malfunctioning throttle actuator, which is responsible for controlling the engine's throttle opening; if it fails, the cruise control may struggle to maintain speed. Furthermore, vacuum leaks in the engine can adversely affect the cruise control's performance by compromising engine responsiveness. Lastly, electrical problems, such as blown fuses or wiring issues, can also lead to the cruise control system ceasing to operate. Addressing these common problems can help restore the functionality of the cruise control in your BMW, making it a worthwhile DIY project for those with some mechanical knowledge.

How urgent is it to address the non-functioning cruise control in my 2017 BMW 750i?

When it comes to your 2017 BMW 750i, addressing a non-functioning cruise control system should not be overlooked, even if it may not seem like an immediate emergency. The cruise control feature is designed to enhance your driving experience by maintaining a steady speed, which is particularly beneficial during long trips. If this system fails, you may find yourself constantly adjusting your speed, leading to increased driver fatigue and reduced fuel efficiency. While the malfunction may not pose a direct safety risk, neglecting it can lead to further complications within your vehicle's electronic systems, potentially resulting in more significant and costly repairs down the line. Therefore, it is advisable to inspect and repair the cruise control system promptly. This proactive approach not only ensures your comfort and convenience but also helps maintain the overall health of your vehicle, allowing you to enjoy a safer and more efficient driving experience.

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