2015 BMW 535i GT Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 BMW 535i GT and How to Fix Them

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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 2015 BMW 535i GT 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 535i GT 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 535i GT?

To effectively diagnose the non-functioning cruise control in your 2015 BMW 535i GT, start with the simplest solutions before progressing to more intricate assessments. Begin by checking the control module, sensor, and switch, as these components are often the culprits behind cruise control failures. Next, inspect the throttle actuation system for any irregularities that might hinder functionality. It’s also crucial to verify the ABS control module; using a multimeter for diode and resistance tests can help pinpoint any electrical issues. Additionally, testing the wheel speed sensors with a multimeter will ensure they are operating correctly, as faulty sensors can disrupt the cruise control system. Finally, don’t overlook the possibility of blown fuses, which can render the cruise control inoperative. By following this structured diagnostic approach, you can systematically identify the root cause of the problem and take the necessary steps to restore your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in my 2015 BMW 535i GT?

When it comes to the malfunctioning cruise control in your 2015 BMW 535i GT, addressing the issue should be a priority, even if it may not seem like an immediate emergency. Ignoring the warning signs, such as dashboard alerts, can lead to more serious complications that may affect not only your vehicle's performance but also your safety on the road. Common causes of cruise control malfunctions include blown fuses, faulty switches, and issues with wiring or speed sensors, all of which can escalate if left unattended. By taking the time to diagnose and resolve these problems early, you can prevent further damage and ensure that your driving experience remains comfortable and efficient. Remember, a well-functioning cruise control system enhances your long drives, making it essential to keep it in optimal condition. Therefore, while it may not require immediate action, prompt attention to cruise control issues is crucial for maintaining the safety and reliability of your BMW.

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