BMW 535xi Cruise Control Isn't Working

Troubleshooting Common Issues with the Cruise Control System in Your BMW 535xi 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a BMW 535xi 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 BMW 535xi 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

Troubleshooting Cruise Control Issues in a BMW 535xi

When troubleshooting cruise control issues in your BMW 535xi, start with the basics to identify the problem efficiently. Begin by checking the vehicle's fuse box for any blown fuses related to the cruise control system, as this is a common and straightforward fix that can often resolve the issue. If the fuse appears intact, inspect the cruise control switch and any associated sensors for signs of wear or damage, as these components can frequently lead to malfunctions. Additionally, consider the throttle actuation system, as problems here can disrupt the cruise control's functionality. If these initial checks do not yield results, it may be necessary to delve deeper into the system, potentially examining the control module or actuator for faults. Remember, addressing these issues promptly is crucial for your safety and the reliable operation of your vehicle, so don’t hesitate to seek professional assistance if needed.

What Could Cause the Cruise Control to Malfunction in a BMW 535xi?

When dealing with cruise control malfunctions in a BMW 535xi, it's essential to recognize the common problems that may arise. One frequent issue is a failed control module, which can disrupt the system's functionality. Additionally, problems with sensors or switches, particularly the throttle position sensor, can lead to erratic behavior, such as the engine overcompensating with fuel, resulting in black exhaust. Dirty or malfunctioning speed sensors can also interfere with the communication between the vehicle's computer and the cruise control system, causing it to fail. While some of these issues may be straightforward to diagnose and fix, others could necessitate professional assistance from a BMW dealership. For safety reasons, it's advisable to keep the cruise control turned off until the problem is resolved, ensuring a safer driving experience while troubleshooting these potential malfunctions.

Why is the Cruise Control Not Working in a BMW 535xi?

When your BMW 535xi's cruise control fails, it can be more than just an inconvenience; it may indicate underlying issues that require immediate attention. Common culprits include a malfunctioning control module, faulty sensors, or defective switches, all of which can disrupt the system's functionality. Additionally, throttle actuation problems can prevent the cruise control from engaging properly, leading to potential safety risks while driving. It's also essential to consider the condition of speed sensors, as dirt or failure can hinder communication with the vehicle's computer, further complicating the issue. Lastly, a blown fuse linked to the cruise control system is a frequent yet easily overlooked cause of malfunction. Addressing these problems promptly is crucial, as neglecting them could not only compromise your driving experience but also lead to more significant repairs down the line. Therefore, if you notice any signs of cruise control failure, it's advisable to conduct a thorough inspection of these components to ensure your vehicle remains safe and reliable on the road.

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