2017 BMW 440i Gran Coupe Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2017 BMW 440i Gran Coupe

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Reviewed by
Bo Fader
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 440i Gran Coupe 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 440i Gran Coupe 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 troubleshoot the non-functional cruise control in a 2017 BMW 440i Gran Coupe?

When troubleshooting the non-functional cruise control in a 2017 BMW 440i Gran Coupe, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, verify that the cruise control settings are correctly configured on the dashboard and steering wheel controls, ensuring that the system is activated properly. If these initial checks do not resolve the issue, inspect the speed sensors, as faulty sensors can prevent the cruise control from engaging. Utilizing a diagnostic scanner to scan for error codes can provide valuable insights into any underlying problems. Additionally, check the brake and clutch switches, as these components are designed to disengage the cruise control when the pedals are pressed. Finally, examine the wiring and connections associated with the cruise control system for any signs of damage or loose connections. By following this structured approach, you can effectively identify and address the root cause of the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2017 BMW 440i Gran Coupe?

When the cruise control in your 2017 BMW 440i Gran Coupe ceases to function, it’s essential to consider several common issues that could be at play. One of the primary culprits is a faulty speed sensor, which is crucial for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Additionally, the brake light switch can also be a source of trouble; since the cruise control relies on signals from the brake system, any issues here can disrupt its operation. Another potential problem lies with the throttle actuator, which is responsible for controlling the engine's throttle opening. If this component is not functioning correctly, it can hinder the cruise control's ability to maintain speed. Electrical problems, such as faulty wiring or blown fuses, can further complicate matters, as they may prevent the cruise control system from receiving the necessary power. Lastly, vacuum leaks in the engine can impact the cruise control's performance, as the system depends on vacuum pressure to operate smoothly. By systematically checking these areas, you can effectively troubleshoot and potentially restore the functionality of your cruise control system.

How urgent is it to address the malfunctioning cruise control in my 2017 BMW 440i Gran Coupe?

When it comes to your 2017 BMW 440i Gran Coupe, the urgency of addressing a malfunctioning cruise control system cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses significant safety risks, particularly in high-speed driving conditions. This unpredictability not only compromises your safety but also that of other road users. Additionally, a malfunctioning system can detract from your overall driving experience, making it challenging to maintain a steady speed and leading to discomfort during long journeys. Beyond immediate safety and comfort concerns, neglecting this issue can adversely affect your vehicle's performance and fuel efficiency. Furthermore, ignoring the symptoms may result in more severe damage to other components, leading to costly repairs down the line. Therefore, it is crucial to prioritize the diagnosis and repair of your cruise control system to ensure the safe and efficient operation of your BMW.

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